Rocky Helmet (Scarlet & Violet 193/165)

Rules

If the Pokémon this card is attached to is in the Active Spot and is damaged by an attack from your opponent's Pokémon (even if it is Knocked Out), put 2 damage counters on the Attacking Pokémon.

Attach a Pokémon Tool to 1 of your Pokémon that doesn't already have a Pokémon Tool attached.