One Piece Chapter 18, page 19: Buggy, 'The Clown Pirate'

With a brutal 'STAB' sound effect, Buggy's knives plunge directly through the center of Luffy's straw hat. Luffy's eyes widen in absolute shock and horror. A brief flashback panel shows Shanks placing the straw hat onto young Luffy's head, saying, 'THIS HAT... IS MY GIFT TO YOU.'