 Items like the Razor Claw and Razor Fang evolve certain Pokémon when held while a condition is met.Most items, including Poké Balls and Potions, can be held but have no effect when given to a Pokémon.Items can be moved between, removed from, and neutralized on Pokémon through moves like Trick, Knock Off, and Embargo, or consumed to damage the opponent through the attacks Fling and Natural Gift.