You can't because one, the Pokemon that evolves because of the claw wasn't discovered until Generation 4 and two the claw was not made yet.
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You can buy a razor claw from the PokeShop, if you have enough Pokemon Coins!
no
The Pokémon in Pokémon Pearl that evolves with a Razor Claw is Sneasel. You can evolve Sneasel with a Razor Claw by giving the Razor Claw to Sneasel and then you can level it up while it's night time and it will evolve into Weavile.
u can find the razor claw on route thirteen in white
Gligar evolves when holding a Razor Claw at night, I believe.