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