{HEAD ~ A support structure} is attached to {TAIL ~ the sleeve} which is capable of being fixedly attached to the support surface 
is attached to
{ HEAD ~ A support structure } is attached to { TAIL ~ the sleeve } which is capable of being fixedly attached to the support surface
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH