{HEAD ~ The range} of movement thus being represented by {TAIL ~ the spacing} between the top of the collar 68 and the bottom of the eyebolt 54 
represented by
{ HEAD ~ The range } of movement thus being represented by { TAIL ~ the spacing } between the top of the collar 68 and the bottom of the eyebolt 54
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH