Compress

A compress is a type of medical application meant for areas that are strained.

During the war economy in 2014, various soldiers, including Solid Snake, utilized a brand called Arsenal Compress that was applicable to the lower back. It contained several nanocolloids to relieve lower back pain, and was manufactured by JEA. Owing to its name, it featured the Arsenal Gear on its packaging art.

Behind the scenes
Compress was an item in Metal Gear Solid 4: Guns of the Patriots. Using it will increase psyche and also relieve back pain, which occurs sometimes if the player performs a roll.