{HEAD ~ Embodiments} of the present invention relate to a control system for a bicycle towing a trailer; however other similar embodiments may apply to combustion, electric or hybrid engines powering {TAIL ~ a vehicle} towing a trailer 
{ HEAD ~ Embodiments } of the present invention relate to a control system for a bicycle towing a trailer ; however other similar embodiments may apply to combustion , electric or hybrid engines powering { TAIL ~ a vehicle } towing a trailer
HEAD HEAD HEAD HEAD HEAD 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 TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH