The cable may be wound about a take up reel, and {HEAD ~ the FCB coil} may be wound in the opporite direction within {TAIL ~ the reel}, so that as the cable is extended or retracted, the FCB coil expands or contracts 
The cable may be wound about a take up reel , and { HEAD ~ the FCB coil } may be wound in the opporite direction within { TAIL ~ the reel } , so that as the cable is extended or retracted , the FCB coil expands or contracts
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH