{HEAD ~ A ratchet wheel} is connected to {TAIL ~ the spool} and is located adjacent the first sidewall 
{ HEAD ~ A ratchet wheel } is connected to { TAIL ~ the spool } and is located adjacent the first sidewall
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH