connecting ends of {HEAD ~ said filled leg members} to {TAIL ~ said filled main bag member} by means of connectors which pierce the plastic material of both said main bag member and of said leg members 
connecting ends of { HEAD ~ said filled leg members } to { TAIL ~ said filled main bag member } by means of connectors which pierce the plastic material of both said main bag member and of said leg members
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL 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