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