TR88

TR88 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. TR88 is Heat Crash.

Game descriptions

Sword, Shield:(Watt Trader - 3000W)
Sword, Shield, B.Diamond, S.Pearl:The user slams its target with its flame-covered body. The more the user outweighs the target, the greater the move’s power.
Scarlet, Violet:The user slams its target with its flame-covered body. The more the user outweighs the target, the greater the move’s power.