Tirnga for Apple Watch Band 40mm Designed to allow you to carry escape tools in your watch band. The A-K Band allows the wearer to escape from rope, duct tape, zip ties, and handcuffs. The band contains a ceramic razor blade, a polymer handcuff key, and a 4' Kevlar friction saw. With practice, you can use the A-K Band to escape from pretty much any type of restraint. The A-K Band is assembled in the USA out of US and Canadian parts.