As described above, {HEAD ~ the strap} includes {TAIL ~ a spacer} for reducing pressure caused by impinging of the strap on the animals poll 
includes
As described above , { HEAD ~ the strap } includes { TAIL ~ a spacer } for reducing pressure caused by impinging of the strap on the animals poll
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH