The item polishing mechanic Rocket League Trading introduced in the excellent Happy.

Home Paradise DLC for Animal Crossing: New Horizons starts.

off harmlessly enough, giving players a way to add a bit of sparkle to their home furnishings. But when all of the new features’ options are unlocked, including the ability to use custom patterns with different effects, polish becomes a powerful creative tool that clever players are using to Rocket League Item Prices take their creations to the next level. You could say it’s setting the New Horizons’ world on fire.