The at least one shut off flap may selectively allow {HEAD ~ the product} to be dispensed from {TAIL ~ the outlet orifice} 
to be dispensed from
The at least one shut off flap may selectively allow { HEAD ~ the product } to be dispensed from { TAIL ~ the outlet orifice }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL