One Piece for real: Usopp’s “Kabuto” Zombie Killing Slingshot Spear – YouTube Posted on February 26, 2012 by UltraRob One Piece for real: Usopp’s “Kabuto” Zombie Killing Slingshot Spear – YouTube. Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)Click to print (Opens in new window)Click to share on Pinterest (Opens in new window)