what are gimmighoul coins used for

Gimmighoul Coins are used for evolving Gimmighoul into Gholdengo in the Pokémon Scarlet and Violet games and Pokémon GO. To evolve Gimmighoul into Gholdengo, players need to collect 999 Gimmighoul Coins. In Pokémon GO, Gimmighoul Coins are obtained by catching Roaming Form Gimmighoul, spinning the Photo Disc of Golden PokéStops, and using the Coin Bag to attract Roaming Gimmighouls.