TR41

TR41 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. TR41 is Blaze Kick.

Game descriptions

Sword, Shield:(Watt Trader - 3000W)
Sword, Shield, B.Diamond, S.Pearl:The user launches a kick that lands a critical hit more easily. This may also leave the target with a burn.
Scarlet, Violet:The user launches a kick that lands a critical hit more easily. This may also leave the target with a burn.