Gomu Gomu no Mi/Gear 4 Techniques

Gear Fourth: Boundman is a technique first seen in Luffy's battle against Doflamingo.

Techniques Utilized

 * Kinniku Fuusen (literally meaning "Muscle Balloon")
 * Gomu Gomu no Kong Gun (ルフィ「ゴムゴムの猿王銃(コングガン))
 * Gomu Gomu no Rhino Schneider (ゴムゴムのリノシュナイダー)
 * Gomu Gomu no Culverin Cannon (ゴムゴムのカルバリン砲)