Ok. First i don't understand about invisible. You don't see all prisoners chains or only chains what connects arms and legs? If you use my version i delete all physics chains. Because even with all fixes it's still hang in air in wrong directions. xml file need for HDT SMP physics mod: it contains physics data: From nif it takes points of physics interaction and in xml are how this physics will work - gravity, angles and etc. if you really got physics work without CTD you can rest