TR75

TR75 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. TR75 is Stone Edge.

Game descriptions

Sword, Shield:(Watt Trader - 8000W)
Sword, Shield, B.Diamond, S.Pearl:The user stabs the target from below with sharpened stones. Critical hits land more easily.
Scarlet, Violet:The user stabs the target from below with sharpened stones. Critical hits land more easily.