The woman pulled at the leads, and the plow horse slowed.
As they headed into the mountains, the horses slowed slightly with the extra effort.
His horse slowed, uncertain of where to go with no firm direction.
The horse slowed and headed back to the valley on her own.
Then, just as suddenly, both horses slowed down and came to a stop.
Just then the horses slowed for a climb, and he breathed thanks.
The horse slowed to a walk, picking his way between the trees.
The horse slowed to a walk up the steep hill.
The horses had slowed to a trot, then to a walk.
He did not know how long it was before his horse slowed at last.