Board Thread:Roblox help and discussion/@comment-36266314-20180721143715/@comment-26397550-20180721161826

Most rely on simply making parts of the base body invisible and then welding an object to them. Decals are much easier than base body morphs, as you only need to weld one part really. For most of these, it's more suggested to find a free model to help start with these, others are usually too buggy.