Check this out.
Inside is slotted to go over a piece of strap. 15/16" X 5/16" max.
3’ pieces only.
Turn your Gem into a bumper car. 
Check this out.
Inside is slotted to go over a piece of strap. 15/16" X 5/16" max.
3’ pieces only.
Turn your Gem into a bumper car.