For purposes of the present invention, the term pre sighted setting indicates that the mat has been aligned with a plurality of targets and {HEAD ~ each} of {TAIL ~ those alignments} is established as a setting 
of
For purposes of the present invention , the term pre sighted setting indicates that the mat has been aligned with a plurality of targets and { HEAD ~ each } of { TAIL ~ those alignments } is established as a setting
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH