As discussed below in more detail, such features enable {HEAD ~ a user} to raise or lower the rearward section of the collar with {TAIL ~ particular ease} 
As discussed below in more detail , such features enable { HEAD ~ a user } to raise or lower the rearward section of the collar with { TAIL ~ particular ease }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL