Learn how to use the TAGinn FBG6 Pyro Training Flashbang Grenade in this video... "The purpose of this stun grenade is to attract the enemies attention, or to disable them for a short period of time in order to breach their defense without "killing" anyone in the room. It is perfectly suits  "hostage rescue" scenarios. It may also be used as a frag grenade simulator where fragmentation projectiles are not allowed.