{HEAD ~ The invention} also is extendable to a sufficient length to permit the user comfortably to tow the wheeled luggage across {TAIL ~ a supporting surface} 
{ HEAD ~ The invention } also is extendable to a sufficient length to permit the user comfortably to tow the wheeled luggage across { TAIL ~ a supporting surface }
HEAD HEAD HEAD HEAD HEAD HEAD 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