 FAKE: Tarzans knife has the ability to appear and disappear between  shots. In one scene, he throws his knife at a hunter on the ground,  hitting him in the back. A moment later, he goes to attack another  man, and lo and behold, the knife has returned to its sheath. A  second later, when the shot changes, the knife is gone again. And,  after he defeats the man in the tree and runs off to save everyone  else, the knife is back in its sheath again without Tarzan going to  retrieve it from the man he threw it at!