Bill is there anything sturdy for my newly restored Tyrunt to gnaw on that IS NOT my arm or my other Pokémon?

Have you tried a nice rock?

(This might sound like I’m joshing you, but actually, rocks are highly effective for curbing a fanged rock-type’s tendency to bite. Leather strips and raw bones—never cooked ones!—are likewise pretty effective, although they don’t last as long as stone. You may find some sandstone or limestone chew toys in your local pokémart, on that note.)