That sounds sore Hanneke, could you possibly bodge something with an old inner tube over you head onto your good shoulder then hooking the pedal to carry it?

Have you looked at the Strathpuffer Hanneke it could be right up your street?
http://strathpuffer.co.uk/strathpuff...rathpuffer.htm

Windy club road ride this morning 53 miles 639ft @ 19.2 ave.