{HEAD ~ The yarn} is fed to the groove from {TAIL ~ two small tubes}, one stationary and the other rotating with the large tube 
is fed from
{ HEAD ~ The yarn } is fed to the groove from { TAIL ~ two small tubes } , one stationary and the other rotating with the large tube
HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH