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