She was really banging on his back. She needs to be fitter and carry her own weight better. I’d want to get her off my back if she was banging with all her weight like that.#2, They look like they are wild in the tundra of Chile or Peru, likely not gelded. Then they poke the upright horse keeping it going longer.Some of these people need to stop having anything to do with any animal. They probably get bitten by their own dogs as well. Looked like she pull back suddenly on the reins. Maybe the horse had a problem with it’s mouth.
Source: Think Like A Horse