{TAIL ~ The yarn} passes through {HEAD ~ respective eyes} 15, 16, 17 and 18 carried in an upright yarn guide 19 
{ TAIL ~ The yarn } passes through { HEAD ~ respective eyes } 15 , 16 , 17 and 18 carried in an upright yarn guide 19
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH