If the mod causes your game to crash or fails to display your cosmetics, try these common fixes:
For standard play, this mod is usually injected automatically by the client when booting up a version marked with a specific "TL" icon. However, if you are building a custom modpack from scratch or managing a dedicated server, you must install it manually: File name- TL-Skin-and-Cape-Mod-Forge-1.20.1.jar