An apparatus 1 wherein the link portion abutts against {HEAD ~ said first leg portion} between {TAIL ~ said second and third leg portions} 
between
An apparatus 1 wherein the link portion abutts against { HEAD ~ said first leg portion } between { TAIL ~ said second and third leg portions }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL