The Issus genus of jumping insects (planthoppers)[0] have a gear mechanism connecting their rear legs. The gear synchronizes the motion of the two back legs; thereby reducing 'yaw rotation' when jumping[1]. The gear communicates motion faster than a purely neurological system.

[0] https://en.wikipedia.org/wiki/Issus_(genus)#Gear_mechanism

[1] "Interacting Gears Synchronize Propulsive Leg Movements in a Jumping Insect," by M. Burrows et al Science, 2013.