He was also the bass guitarist in the supergroup Tomahawk featuring Mike Patton .
After the dissolution of The Cows , Rutmanis was the bass guitar player for The Melvins from 1998 to 2005 .
Rutmanis was also the bass guitarist in the supergroup Tomahawk featuring Mike Patton .
After the dissolution of The Cows , Rutmanis was the bass guitar player for The Melvins from 1998 to 2005 .