it is to be understood that this invention is not limited to particular aspects of the present invention described , as such may , of course , vary . it is also to be understood that the terminology used herein is for the purpose of describing particular aspects only , and is not intended to be limiting , since the scope of the present invention will be limited only by the appended claims . methods recited herein may be carried out in any order of the recited events which is logically possible , as well as the recited order of events . where a range of values is provided herein , it is understood that each intervening value , to the tenth of the unit of the lower limit unless the context clearly dictates otherwise , between the upper and lower limit of that range and any other stated or intervening value in that stated range , is encompassed within the invention . the upper and lower limits of these smaller ranges may independently be included in the smaller ranges and are also encompassed within the invention , subject to any specifically excluded limit in the stated range . where the stated range includes one or both of the limits ranges excluding either or both of those included limits are also included in the invention . unless defined otherwise , all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs . although any methods and materials similar or equivalent to those described herein can also be used in the practice or testing of the present invention , the methods and materials are now described . it must be noted that as used herein and in the appended claims , the singular forms “ a ”, “ an ”, and “ the ” include plural referents unless the context clearly dictates otherwise . it is further noted that the claims may be drafted to exclude any optional element . as such , this statement is intended to serve as antecedent basis for use of such exclusive terminology as “ solely ,” “ only ” and the like in connection with the recitation of claim elements , or use of a “ negative ” limitation . referring now generally to the figures and particularly to fig1 a , fig1 a illustrates a first tee 2 having a first post 4 and a first base 6 . the first post 4 supports a golf ball 8 on a post top end 4 a , and the first post 4 is further removably coupled with the first base 6 at post attachment end 4 b . a golf club head 10 is shown in a striking position relative to the golf ball 8 . the first base 6 may be or comprise a rigid or semi - rigid material such as a metal or metal alloy and / or an organic material , plastic , or rigid or semi - rigid material known in the art . the first base 6 of the first tee 2 is substantively planar and circular and has a base height h 1 that is preferably within the range of from less than 0 . 1 inch to more than two inches , and more preferably within the range of from 0 . 20 inch to 0 . 50 inch . referring now generally to the figures and particularly to fig1 b , fig1 b illustrates the first post 4 of fig1 a after receiving momentum delivered from the golf club head 10 . the first post 4 has been deformed by the force delivered by the golf club head 10 as a consequence of a golfer &# 39 ; s swing that connected with the golf ball 8 , wherein the top end has been forced laterally and towards the first base 6 . referring now generally to the figures and particularly to fig1 c , fig1 c illustrates the first post 4 having returned from the positioned of fig1 b and returned to the golf ball 8 positioning orientation of fig1 a . referring now generally to the figures and particularly to fig2 a , fig2 a is a cross sectional side view of the first post 4 . the first post 4 includes a resilient flexible post tube 4 c , a screw 4 d , a binding 4 e and a tapped nut 4 f . the post tube 4 c preferably is symmetric along an axis l and extends along the axis l for a linear post height h 2 when in the supporting position of fig1 a . the post tube 4 c may be or comprise a flexible resilient material , such as organic rubber , silicone rubber , latex rubber , polyurethane , polyethylene , or other suitable flexible resilient material known in the art . the post top end 4 a is formed of a tope side of the post tube 4 c . the post height h 2 is preferably within the range of from 0 . 25 inch to ten inches , and more preferably within the range of from 0 . 50 inch to four inches . the post screw 4 d includes a screw head 4 d . 1 and a threaded shaft 4 d . 2 . the threaded shaft may 0 . 25 inch in diameter having twenty threads per inch and being one half inch in length . the binding 4 e presses the post tube 4 c at the attachment end 4 b against the screw threaded shaft 4 d . 2 and forms a friction fit between the screw 4 d and the post tube 4 c . a tube bottom ledge 4 b . 1 of the attachment end 4 b is formed by a bottom side of the post tube 4 c . the tube bottom ledge 4 b . 1 is located distal from the screw head 4 d . 1 and preferably does not extend beyond the screw threaded shaft 4 d . 2 . the threaded shaft 4 d . 2 preferably extends beyond the tube bottom ledge 4 b . 1 no greater than the base height h 1 . the binding 4 e may be or comprise a plastic polymer , iron , steel , aluminum or copper or other suitable material known in the art , and is preferably sized as within the range of wire number one to ten , i . e ., the range of american wire gage from 0 . 289 inches to 0 . 102 inches . the screw 4 d is selected to detachably engage with the first plate 6 . the screw 4 d may be or comprise rigid nylon , plastic polymer , metal such as iron , steel , aluminum or copper , or other suitable metallic , synthetic , organic , or inorganic material known in the art . the tapped nut 4 f may be a jamb nut , is selected to engage with the threaded screw 4 d , and is maintained in a pressure fit by the compression of the binding 4 e against the post tube 4 c . the nut 4 f may optionally be a retaining nut that resists decoupling from the screw 4 d . the nut 4 f may be or comprise rigid nylon , plastic polymer , metal such as iron , steel , aluminum or copper , or other suitable metallic , synthetic , organic , or inorganic material known in the art . in certain alternate preferred embodiments of the present invention , the screw threaded shaft 4 d . 2 is preferably within the range of diameter of from 0 . 15 inch to 0 . 75 inch . the thread count of the threaded shaft 4 d . 2 preferably is within the range of 10 threads per inch and 32 threads per inch . the nut 4 f and the base 6 would be shaped , sized , selected and configured to engage with the threads of the selected screw 4 d . referring now generally to the figures and particularly to fig2 b , fig2 b is a cross sectional side view of an alternate post 12 , or second post 12 . the second post 12 includes an alternate resilient flexible tube 12 a having an internal binding 12 b and the screw 4 d . the internal binding 12 b may be formed and / or positioned in an injection molding process in a fabrication of the alternate resilient flexible tube 12 a . the internal binding 12 b presses the alternate resilient flexible tube 12 a against the nut 4 f and the compression force transferred from the internal binding 12 a through the resilient flexible tube 12 a and against the nut 4 f maintains the nut 4 f within the alternate resilient flexible tube 12 a . the threaded shaft 4 d . 2 engages with the tapped nut 4 f . the nut 4 f may optionally be a retaining nut that resists decoupling from the screw 4 d . alternatively or additionally , the nut 4 f may be a jamb nut . the internal binding 12 b may be or comprise a plastic polymer , iron , steel , aluminum or copper or other suitable material known in the art , and is preferably sized as within the range of wire number one to ten , i . e ., the range of american wire gage from 0 . 289 inches to 0 . 102 inches . the alternate resilient flexible tube 12 a may be or comprise a flexible resilient material , such as organic rubber , silicone rubber , latex rubber , polyurethane , polyethylene , or other suitable flexible resilient material known in the art . referring now generally to the figures and particularly to fig2 c , fig2 c is a side view of three posts 4 , 14 & amp ; 16 . the first post 4 comprises the first tube 4 c , the binding 4 e and the screw 4 d . the second post 14 comprises the alternate resilient flexible tube 12 a and the screw 4 d . a third post 16 comprises an extended tube 18 , the binding 4 e and the screw 4 d . each post 4 , 14 & amp ; 16 presents a different post height h 2 along the linear axis l . the second post 14 and / or the third post 16 may be or comprise a flexible resilient material , such as organic rubber , silicone rubber , latex rubber , polyurethane , polyethylene , or other suitable flexible resilient material known in the art . referring now generally to the figures and particularly to fig2 d , fig2 d is a top view of the first tee 2 . the first base 6 is shown to have a substantially planar circular shape having a base diameter d . the screw head 4 d . 1 fits within the first tube 4 c and presses toward the first base 6 . the base diameter d is preferably within the range of from 0 . 25 inch to six inches , and more preferably within the range of from one inch to three inches . referring now generally to the figures and particularly to fig3 a through 3c , fig3 a is a top view of the first base 6 . a tapped aperture 6 a is located about a center point c of a circular circumference of the first base 6 . the tapped aperture 6 a is sized and shaped to detachably engage with the screw 4 d and to thereby detachably couple the first post 4 and the first base 6 . referring now generally to the figures and particularly to fig3 b , fig3 b is a layered , perspective view of the second plate 20 and a third plate 22 showing a top planar side 20 a & amp ; 22 a of each alternate plate 20 & amp ; 22 . each plate presents a different plate height h 1 and includes a plurality of anchor features 24 . each anchor feature 24 is meant to provide an interference to inhibit lateral motion of the comprising alternate plate 20 & amp ; 22 . the second base 20 and / or the third base 22 may be or comprise a rigid or semi - rigid material such as a metal or metal alloy and / or an organic material , plastic , or rigid or semi - rigid material known in the art . the second base 20 and / or the third base 22 are each preferably substantively planar and circular and have a base height h 1 that is preferably within the range of from less than 0 . 1 inch to more than two inches , and more preferably within the range of from 0 . 20 inch to 0 . 50 inch . the tapped aperture 6 a of each plate 6 , 20 & amp ; 22 is sized and shaped to detachably engage with the screw 4 d and to thereby detachably couple the first post 4 and the comprising base 6 , 20 & amp ; 22 . referring now generally to the figures and particularly to fig3 c , fig3 c is a bottom view of a bottom planar side 20 b of the second plate 20 . referring now to fig4 , fig4 is a cross sectional side view of an alternate plate 26 . the alternate plate 26 includes a recessed tapped receiver 26 a . a top recess 26 b and a bottom recess 26 c expand in circumference and away from the recessed tapped receiver 26 a . the top recess 26 b and the bottom recess 26 c enable a user to more easily seat the screw threaded length 4 d . 2 into engagement with the recessed tapped receiver 26 a . the recessed tapped receiver 26 a is sized and shaped to detachably engage with the screw 4 d and thereby detachably couple the posts 4 , 14 & amp ; 16 with the alternate plate 26 . the alternate plate 26 may be or comprise a rigid or semi - rigid material such as a metal or metal alloy and / or an organic material , plastic , or rigid or semi - rigid material known in the art . the alternate plate 26 is substantively planar and circular and has a base height h 1 that is preferably within the range of from less than 0 . 1 inch to more than two inches , and more preferably within the range of from 0 . 20 inch to 0 . 50 inch . the base diameter d of the alternate plate 26 is preferably within the range of from 0 . 25 inch to six inches , and more preferably within the range of from one inch to three inches . referring now generally to the figures and particularly to fig5 a , fig5 a is a top view of a golf tee mat 28 having four mat apertures 28 a - 28 d . the golf tee mat 28 ( or “ mat 28 ”) may be a dura - pro ( tm ) or a dura - pro plus ™ nylon golf mat as marketed by d . w . quail golf , inc . of woodstock , ga ., a zenith ™ hitting mat marketed by zenith corporation of zenith , calif ., or other suitable durable fabric or material known in the art . a plurality of bases 6 , 20 , and 22 and / or alternative plates 26 are positioned underneath the mat 28 , each mat aperture 28 a - 28 d is sized to permit a post 4 , 14 , 16 to extend wholly there through , but are each sized too small to permit first base 6 , the second base 20 , the third base 22 and / or the alternative plate 26 to pass through the mat 28 . referring now generally to the figures and particularly to fig5 b , fig5 b is a top view of the mat 28 further comprising a plurality of retrofitting apertures 30 a - 30 d that extended wholly through the may 28 and are positioned and sized to enable the use of one or more prior art tee devices with the mat 28 . referring now generally to the figures and particularly to fig5 c , fig5 c is a side perspective view of the mat 28 having a thickness t 1 . the thickness t 1 is preferably greater than the base height h 1 of the first base 6 , and is preferably at least in the range of from 0 . 5 inch to two inches . the mat 28 may optionally be shaped to accept the first base 6 and an optional adhesive 32 may couple the first base 6 to the mat 28 . the first post 4 extends from the first base 6 and fully through the mat 28 . referring now generally to the figures and particularly to fig5 d , fig5 c is a side perspective view of the mat 28 having a shallower thickness t 1 . the thickness t 1 is preferably greater than the base height h 1 of the first base 6 , and is preferably at least in the range of from 0 . 25 inch to one inch . the mat 28 may optionally be shaped to accept the first base 6 and an optional adhesive 32 may couple the first base 6 to the mat 28 . referring now generally to the figures and particularly to fig6 a , fig6 a is a top view of a legged alternative base 34 having three legs 36 a - 36 c . each leg 36 a - 36 c is similar in shape and extends out from a center point c of the second alternative base 34 . the tapped aperture 6 a extends wholly through the legged alternative base 34 . the legged alternative base 34 may be or comprise a rigid or semi - rigid material such as a metal or metal alloy and / or an organic material , plastic , or rigid or semi - rigid material known in the art . the first base 6 of the first tee 2 is substantively planar and circular and has a base height h 1 that is preferably within the range of from less than 0 . 1 inch to more than two inches , and more preferably within the range of from 0 . 20 inch to 0 . 50 inch . referring now generally to the figures and particularly to fig6 b , fig6 b is a side view of the legged alternative base 34 showing a raised tapped receiver 38 . the tapped aperture 6 a of extends wholly through the raised tapped receiver 38 and the legged alternative base 34 . referring now to the figures and particularly fig7 a , fig7 a is a cross sectional front view of a keyed tee 40 having a keyed post 42 and a keyed plate 44 . the keyed post 42 includes ( 1 .) a keyed tube 42 a have a key head 42 b formed within the keyed tube 42 a , and ( 2 .) a key 42 c extending from the keyed tube 42 a and the key head 42 b . the key head 42 b may be positioned within the keyed tube 42 a by injection molding . in the locked orientation of fig7 b , the keyed post 42 will withstand multiple strikes from the golf club head without separating from the keyed plate 44 . the key 42 c is sized and shaped to fit into a keyed receiver ramp 44 a of the keyed plate 44 . the key 42 c is shown in a locked orientation within the keyed receiver ramp 44 a of fig7 a . the keyed plate 44 may be or comprise a rigid or semi - rigid material such as a metal or metal alloy and / or an organic material , plastic , or rigid or semi - rigid material known in the art . the keyed base 44 is substantively planar and circular and has a base height h 1 that is preferably within the range of from less than 0 . 1 inch to more than two inches , and more preferably within the range of from 0 . 20 inch to 0 . 50 inch . referring now to the figures and particularly fig7 b , fig7 b is a cross sectional side view of the keyed tee 40 , wherein the key 42 c is positioned into the locked orientation within the keyed receiver ramp 44 a as presented in fig7 a . referring now to the figures and particularly fig7 c , fig7 c is a top view of the keyed plate 44 . an insertion aperture 44 b of the keyed receiver ramp 44 a is sized and shaped to accept insertion and removal of the key 42 c by a user . referring now to the figures and particularly fig7 d , fig7 d is a side view of the keyed post 42 and presents the keyed tube 42 a and the key 42 c . the key 42 c extends away from the keyed tube 42 a to enable insertion into the keyed receiver ramp 44 a of the keyed plate 44 . the keyed tube 42 a may be or comprise a flexible resilient material , such as organic rubber , silicone rubber , latex rubber , polyurethane , polyethylene , or other suitable flexible resilient material known in the art . the key 42 c may be or comprise may be or comprise a rigid nylon , plastic polymer , metal such as iron , steel , aluminum or copper , or other suitable metallic , synthetic , organic , or inorganic material known in the art . referring now to the figures and particularly fig8 , fig8 is a cross sectional side view of an injection molded tee 46 that comprises an injection molded post 48 and an injection molded plate 50 . the injection molded post 48 includes an injection molded tube 48 a that permanently contains a head 48 b . a threaded element 48 c extends from the head 48 b . the head 48 b and / or the threaded element 42 c may be or comprise may be or comprise a rigid nylon , plastic polymer , metal such as iron , steel , aluminum or copper , or other suitable metallic , synthetic , organic , or inorganic material known in the art . the injection molded plate 50 includes an elevated receiver 50 a having a tapped aperture 50 b comprised within a tapped nut 50 c . the tapped nut 50 c is permanently coupled with the injection molded plate 50 in fabrication of the injection molded plate 50 . the foregoing disclosures and statements are illustrative only of the present invention , and are not intended to limit or define the scope of the present invention . the above description is intended to be illustrative , and not restrictive . although the examples given include many specificities , they are intended as illustrative of only certain possible applications of the present invention . the examples given should only be interpreted as illustrations of some of the applications of the present invention , and the full scope of the present invention should be determined by the appended claims and their legal equivalents . those skilled in the art will appreciate that various adaptations and modifications of the just - described applications can be configured without departing from the scope and spirit of the present invention . therefore , it is to be understood that the present invention may be practiced other than as specifically described herein . the scope of the present invention as disclosed and claimed should , therefore , be determined with reference to the knowledge of one skilled in the art and in light of the disclosures presented above .
methods and devices are provided for teeing a golf ball . a first tee has a detachably coupled post and base . the post may be a cylinder , such as a hollow cylinder , and may be made of deformable resilient material that reliably returns to a vertical position after receiving momentum originated from a golf club . the first post end includes a threaded shaft that engages with a tapped aperture of the base . the second post end presents a repeatable height from the base when the threaded shaft is fully seated into the tapped aperture . the post may be coupled with and decoupled from the base by the golfer applying manual force to alternately screw the threaded shaft into the base for coupling and then away from the base for decoupling . a plurality of posts of different lengths are provided . the base may be coupled with a mat .