{TAIL ~ Embodiments} of {HEAD ~ 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 a vehicle towing a trailer 
{ TAIL ~ Embodiments } of { HEAD ~ 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 a vehicle towing a trailer
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