A dispenser 9, in which the traction member forms a fork comprising {HEAD ~ two branches} that are interconnected via {TAIL ~ a common web} 
are interconnected via
A dispenser 9 , in which the traction member forms a fork comprising { HEAD ~ two branches } that are interconnected via { TAIL ~ a common web }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL