{HEAD ~ Modifications} of the spool is provided to allow for different lengths of {TAIL ~ chain} to be wrapped around the spool 
{ HEAD ~ Modifications } of the spool is provided to allow for different lengths of { TAIL ~ chain } to be wrapped around the spool
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH