The membrane is sealed to the spigot on an outer face of the spigot which is configured so that {HEAD ~ the membrane} will be clamped in {TAIL ~ position} during piercing of the membrane by a cutter 
clamped in
The membrane is sealed to the spigot on an outer face of the spigot which is configured so that { HEAD ~ the membrane } will be clamped in { TAIL ~ position } during piercing of the membrane by a cutter
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH