TR40

TR40 teaches a move to a compatible Pokémon in Pokémon Sword & Shield. Technical Records are consumed after use, but can be re-bought from Watt Traders. TR40 is Skill Swap.

Game descriptions

Sword, Shield:(Watt Trader - 1000W)
Sword, Shield, B.Diamond, S.Pearl:The user employs its psychic power to exchange Abilities with the target.
Scarlet, Violet:The user employs its psychic power to exchange Abilities with the target.