It specifically pertains to a mechanism for cuffing {HEAD ~ an open end} of {TAIL ~ a bag} about an open carton periphery 
of
It specifically pertains to a mechanism for cuffing { HEAD ~ an open end } of { TAIL ~ a bag } about an open carton periphery
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH