4-Port GameCube Controller Adapter for Nintendo Switch - Brook - Stone Age Gamer
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Ematic Nintendo Switch, Game Cube Controller Adapter, Black, EGCN152 - Walmart.com
4 Port GameCube Controller Adapter for Nintendo Switch Wii U PC Super Smash Bros - Walmart.com
Amazon.com: CLOUDREAM Gamecube Controller Adapter for Switch Gamecube Adapter Wii U and PC, Super Smash Bros Choice Support Four Gamecube Controller and 70IN Long Cable : Video Games