A farmer takes his horse down the hill with him when delivering milk so it can pull him back up again afterwards. Yorkshire.
One way horse.
M/S of a milk churn on a wooden milk float, a farmer comes out and adds another churn. He gets on and lets off the brake, the float sets off with his horse tethered behind it. Various shots as they make their way down the hill. The farmer gives the milk to his customer at the bottom of the hill then leads the horse around and attaches it to the front of the float. Various shots as the horse pulls the farmer and the empty churns up the hill again.