【ECBANLI Escape Tool Set】: Our escape bracelet contains tungsten steel beads that can break car side windows and a cross-shaped handcuff key. Universal handcuff key, this cross handcuff key fits for most of the leading, standard-type professional hand cuffs 【Fashion with a Purpose】: The ECBANLI wrist bracelet is not only an escape tool, but also a great accessory, that can be paired with other fashion bracelets. The handcuff key can be detached and used as an independent tool, and can also be matched with necklaces, etc. The exquisite cross type handcuff key and little gear tungsten steel beads make your bracelet look different from others, and can provide you with timely escape aid when needed 【Easy to Use】 : Our bracelet car window glass breaker is very easy to use, just remove wrist strap, place around thumb and forefinger, pull back on the projectile and release.It will break glass and looks innocuous. (min. of 4” is optimal, further travel of bead is better) 【Premium Material】: The combination of high-elastic band and high-strength tungsten striker bead can offer the full capatiblity to break the window glass under emerghency situation,rescuing yourself 【Suitable Gift】: Our bracelet glass breaker is suitable for various vehicles such as cars, buses, trucks, etc. It can be given as a gift to your parents, husband, wife, siblings, friends and teachers, and even more.This gadget can help you in unexpected situations 【Please Note】: The ECBANLI bracelet window breaker does not work on car windshields. It is effective only against tempered glass commonly used in side windows Comes with tungsten striker bead for window escape and advanced handcuff key for opening handcuffs