The Boneknapper makes its amour out of dead dragons bones.

The Boneknapper first appencne was in The Legend Of The Boneknapper Dragon when Gobber's Hut was on fire by the Legendery Boneknapper and he went to Dragon Island to prove and capture the Boneknapper then Gobber had a piece of the Boneknapper's amour on his pants then when he gave the piece the Boneknapper acted like a overgrown puppy dog!