In the former case, the interior member 44 and the cover 43 are together detachable with respect to the headrest base 3, while in the latter case, {HEAD ~ the interior member} 44 is adhered to the headrest base 3, and the cover alone is made detachable with respect to {TAIL ~ the interior member} 44 and headrest base 3 which are inseparably connected together into one integral body 
In the former case , the interior member 44 and the cover 43 are together detachable with respect to the headrest base 3 , while in the latter case , { HEAD ~ the interior member } 44 is adhered to the headrest base 3 , and the cover alone is made detachable with respect to { TAIL ~ the interior member } 44 and headrest base 3 which are inseparably connected together into one integral body
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH