Fender Strap Blocks will stop your strap from slipping off your axe and potentially causing serious damage. It's happened to all of us. You're playing guitar, lost in the groove, and next thing you know your guitar strap is slipping off and sends your guitar crashing to the floor. It's embarrassing and it can hurt your guitar. Fender Strap Blocks help stop this from happening. These rubber end pieces quickly slip on the strap peg after your strap is on. It stops the strap from slipping off. Strap Blocks are easy to use, no drilling or modification to your guitar needed. You get two pairs of blocks in each package. Protect your guitar from strap failure with Fender Strap Blocks.