The inner layer acts a barrier between {HEAD ~ the skin} of {TAIL ~ the foot} and the absorbed moisture 
of
The inner layer acts a barrier between { HEAD ~ the skin } of { TAIL ~ the foot } and the absorbed moisture
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH