The Perri’s Leather locking guitar strap uses a spring-loaded locking mechanism to easily and securely attach to any standard strap button. The 2” wide nylon strap is durable, flexible and comfortable, and it can accommodate the style and preferred fit of most players by adjusting from a length of 34” up to 59”. The Perri’s Leather locking strap is also designed to work with all strap-lock systems.