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