The Low Profile ASP baton cap has been completely redesigned and tested to fit all models that ASP currently distributes. The ASP baton is a light weight expandable baton used by police, government agencies, military, and private security around the world. Bust a Cap has no moving parts and can be deployed with either your strong or weak hand. This Bust A Cap is totally 100% concealable under the existing cap of the ASP baton.