Breaking a horse to saddle bags?

I have a eight year old arabain mare. She has never had saddle bags put on her until today. I layed them on her back. When she ran she would buck and throw them off. I have no round pen to put her in. I've been thinking about putting the saddle on her and letting her run in the pasture with the bags tied onto... show more I have a eight year old arabain mare. She has never had saddle bags put on her until today. I layed them on her back. When she ran she would buck and throw them off. I have no round pen to put her in. I've been thinking about putting the saddle on her and letting her run in the pasture with the bags tied onto the saddle but I don't want her to hurt herself. I also have farm equipment in the pasture. What is the best way to break her withour hurt me or her?
3 answers 3