their wheel's move together because HH's lever hood is hooked to the underside of cavs forearm, as he moves away and pushes down with his right leg he is still 'attached' to HH. this is why they move closer together and their wheels touch.
Great deductions Watson claps Their handle bars and arms don't even touch...
Great deductions Watson claps Their handle bars and arms don't even touch...
http://www.youtube.com/watch?v=-RNAYR3KPIg