Explosive belt, Military Wiki

An explosive belt (also called suicide belt, Bomberpilot Jacket, suicide vest, bomb vest) is an improvised explosive device, a belt or a vest packed with explosives and armed with a detonator, worn by suicide bombers. Explosive belts are usually packed with ball bearings, nails, screws, bolts, and other objects that serve as shrapnel to maximize the number of casualties in the explosion. The use of the explosive belt or vest originated with, and was perfected by the Tamil separatists of Sri Lank

Explosive belt, Military Wiki