A more inexpensive alternative to strap buttons.
This 4-pack features hard rubber strap blocks to keep your strap from accidenally slipping at an inopterune time. It comes with two black and two red. Just slip your strap over the strap button and then secure it in place with the block.
Features
Two pairs of rubber strap blocks (2 red, 2 black)
WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov.