The loop with {HEAD ~ its slings} or bights is made simultaneously with the formation of {TAIL ~ the anchoring winding} 
The loop with { HEAD ~ its slings } or bights is made simultaneously with the formation of { TAIL ~ the anchoring winding }
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL