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