{HEAD ~ The flexible member} is provided with {TAIL ~ stretch areas}, and can be used in pairs for greater flexibility as to the areas to be treated 
is provided with
{ HEAD ~ The flexible member } is provided with { TAIL ~ stretch areas } , and can be used in pairs for greater flexibility as to the areas to be treated
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH