Tangling Hair — Pokémon Ability

When this Pokémon takes regular damage from a contact move, the attacking Pokémon's Speed lowers by one stage.

Effect notes

When this Pokémon takes regular damage from a contact move, the attacking Pokémon's Speed lowers by one stage.

In-game descriptions by version

sun moonContact with the Pokémon lowers the attacker’s Speed stat.
ultra sun ultra moonContact with the Pokémon lowers the attacker’s Speed stat.
lets go pikachu lets go eeveeContact with the Pokémon lowers the attacker’s Speed stat.
sword shieldContact with the Pokémon lowers the attacker’s Speed stat.
scarlet violetContact with the Pokémon lowers the attacker's Speed stat.

Pokémon with this ability