Holes are drilled through each bar and plank (two to a plank) and through the canvas backing so that the bars and planks can be firmly secured to each other by steel baits.
Imingxunya ibholwa kwintonga nakwiplanga ngalinye (mibini eplangeni) nakwisixhasi selaphu leseyile ukuze iintonga namaplanga anokubotshwa ngokuqinileyo elinye kwelinye ngezithuyelo zentsimbi.