About this item Vehicle Safety Tool: Car safety escape tool window breaking device Wristband Bracelet offers the capability to break tempered safety glass in a confined space Effective EDC: Only a small amount of pressure is required to destroy tempered glass Dont be surprised by its small size, just a single strike directed from the wrist strap is enough to break glass! Multi-Purpose: Comes with Tungsten Striker Bead for window escape PLUS an Advanced Handcuff Key (AHK3) for opening handcuffs that use alternative security features such as key blocking blades and large keyhole pins Facilitates emergency vehicle escape via side or rear windows in confined spaces Easy To Carry: Lightweight, fully adjustable, and discreet Tool is made of an elastic rubber band and a tungsten striker bead which has excellent strength and portability for easily breaking tempered glass How To Use Key: Very little pressure is required to operate handcuffs with a key never force a key to turn. When using key, we recommend that you 'pick and sweep' the lock, taking care to feel for the movement of the working parts. Gently rocking and tilting the key works best for some handcuffs and altering the depth works for others. Specifications: Product name: EDC Survival Bracelet Category: Escape Tools Package Includes: 1 * EDC Survival Bracelet