After this, they started to force feed him. There are three main types&colon; Gravity Feed, Agitated Feed, and Force Feed loaders. British policy at this time was to force feed hunger strikers. Force Feed loaders create a stack of paint balls leading into the marker. AGD's Warp Feed is a force feed system used to feed paintballs into a marker. This was the first commercially produced under-the-barrel force feed system on the market.