Self Adhesive Foam: Made for Bat. Used for Trimming. Xiem Studio Tools innovative peel-and-stick self-adhesive foam trimming bat is ideal for trimming large bowls and plates without the use of a coil to attach the piece to the wheel head. The foam bat sticks firmly to all types of 14 wood and plastic bats. Once applied to the bat, its surface grips the rims of leather hard pieces and holds them in place for trimming. Items can be easily centered using the concentric rings.