Heinrich Güberschmidt on Instagram: "Flashbangs (also called stun grenades) are diversionary devices designed for law enforcement or military use to temporarily disorient targets with a brilliant flash of light and a deafening bang. They do not explode like fragmentation grenades—no shrapnel is intended—but contain pyrotechnic flash powder. • Pull the pin (doesn’t arm it yet). • Grip the spoon (safety lever) firmly. • Throw and release the spoon to arm the fuse: 1.0–2.3 seconds delay (varies by