{HEAD ~ The strap} 26 may be fabricated of a rigid material such as {TAIL ~ a metallic or plastic material} or alternatively of a flexible material 
{ HEAD ~ The strap } 26 may be fabricated of a rigid material such as { TAIL ~ a metallic or plastic material } or alternatively of a flexible material
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH