A collapsible trailer to be towed by a bicycle has front and rear U shaped members pivotally mounted on {TAIL ~ an axle} to {HEAD ~ the ends} of which wheels can be attached 
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A collapsible trailer to be towed by a bicycle has front and rear U shaped members pivotally mounted on { TAIL ~ an axle } to { HEAD ~ the ends } of which wheels can be attached
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 OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH