The spacer is configured to provide {HEAD ~ a separation} between the strap and {TAIL ~ at least a portion} of the poll of the animal on which the harness is placed 
The spacer is configured to provide { HEAD ~ a separation } between the strap and { TAIL ~ at least a portion } of the poll of the animal on which the harness is placed
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH