Kokum Butter Cold Process Soap Tutorial

I am pretty new to making cold process soap.  I know that one can add Shea butter but I never knew that one can add Kokum Butter.  I am unfamiliar with it but The Soap Queen says that it is a hard butter that is comparable to cocoa butter.  If you want to check out this cold process recipe, it is called Kokum Butter Cold Process Soap.