Items that you dig up could vary between fossils (throw them), in-game items (rare) and trophies (like 1% chance of this right here).
Oh, and the fishing rod should work as a meteor smash or a distance variable grab if the enemy is the exact distance of the length of the rod's reel
Oh, and the fishing rod should work as a meteor smash or a distance variable grab if the enemy is the exact distance of the length of the rod's reel