With ERC, you can run any dial of any other dial, and you can even place in-between valueParms in and cascade them. 'There is no possable known way to make a skirt with hip, thighs and shins in mesh. Reasons get complicated, so just trust me on this part' Well, actually, there is. But it would be amazingly complex to make it conform, and it's not something I could easily do (I'm sure I could hack at it and get it eventually). Bloodsong and Anton have both done things to effectively do this. It involves setting up the heirarchy backwards. It's scary.