i suck at manual, i mean i suck. i was practicing them for a while today jumping up a curb to manual to whip down my hill and i got them now. i used to just manual like a foot on flat then do them,lol. tomarrow im going to try to manual a longer sidewalk thing to whip down a 4 stair. they are easy as long as i do the manual good, i was alomost geting doubles out of them but i can keep the manual steady......