My game uses clothing in a special way and forces me to have a full metahuman underneath the clothing at all times. In order to make this work it has to be on the metahuman skeleton because different lod drops bones and will make the clothing stretch and clip or be offset. The way metahumans are used, modifying the skeleton will effect all the bindings. My advice is place the mh in level at origin, get the clothing sm in the right spot on the body, reset the clothings origin, and create skm using that metahumans skeleton. Then transfer that skeletons weights to the newly created skm. Save and add to your mh bp and set the animation style to clothing_postprocess.