Phones join with the 4 letters on the TV (or the QR code). The left half of your phone is a stick. The right half is two buttons: FLIP and SHAKE.
One end of your hair holds on. The stick swings the other end around. FLIP: the swinging end grabs whatever it's touching and the other end lets go. Swing up, flip, swing up, flip: you cartwheel up the mane. FLIP with nothing in reach and you let go and fling yourself. Some locks of the mane stop short: get across to a taller one.
Hairs that cross each other fast get knotted together. SHAKE undoes knots, gets you out of the comb (quick shakes: 2 up high, 4 down low) or a bird's nest (4), pops your bubble, knocks dirt off, and shakes loose anybody holding on right next to you.
She's grooming Biscuit the whole time, and she tells him what's coming. The comb comes up from the root and drags everything loose up and out the top: get out of it before the top (free ride) or you're combed out and back to the root. Then head shakes, pats, shampoo, bubbles, the hose, rolling in the dirt, birds that want your hair for their nests, flies you can ride, and the clippers on show day.
The first one up gets the most points, and everybody gets their place out of all 40,000 hairs. Once somebody's up, everybody else has 25 seconds.
Five stretches of mane (or three), from the withers to the forelock between his ears. The most points at the end is BEST IN SHOW. Keyboards: WASD with F to flip and G to shake, or IJKL with H and Y. Esc pauses.