A support frame for {HEAD ~ a plastic bag} with {TAIL ~ opposite handles} has a horizontal rectangular base member in the form of a tray with four upstanding struts extending from sockets in the corners of the tray 
with
A support frame for { HEAD ~ a plastic bag } with { TAIL ~ opposite handles } has a horizontal rectangular base member in the form of a tray with four upstanding struts extending from sockets in the corners of the tray
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL 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