Rancid Stink, Big Flash, Painful Squeal: Grenade Assaults Every Sense | WIRED
Anon made a homemade flash bang - The /k/ult of Monika | Facebook
Scream Mk.1 : Was asked to post a video of this thing in action after it showed up on a previous post of mine. I've been messing around with designing/programming a DIY
LED flash bang cube 10x10x10cm 6x100W DIY (prototype) with remote controll | eBay