I use This mod https://www.curseforge.com/minecraft/mc-mods/the-five-nights-at-freddys-mod (Fnaf Mod 1.19.2)
And when I take the form of the animatronic my head glicht .
you can help me ?

The only way to fix this is to write an independend addon for identity or forking the mod and implementing the API, otherwise it would collapse the compatibility of identity towards other mods.