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