Read Pony Twinkleheels in "Thrashing Time"

The pair of bays were feeling grumpy. Thrashing time had come. And they knew that they would have to spend long hours in the tread mill out in the field, where the oats were stacked. They grumbled a good deal, as they stood in their stalls."I don't see why you object to turning the tread mill for Farmer Green," Twinkleheels said to them. "I'd like to try my hand at it or my feet, I should say....