Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to teach your horse to piaffe [title] Understand what the ideal piaffe looks like. [step] The ideal piaffe will look like your horse is trotting in place, with only one hoof print landing forward in every step. Your horse should be bent at his haunches, with his pelvis tilted, his back arched, and his front legs lifted.

Ending1: [title] In piaffe techniques, put your mount in place. [step] Get a warrior horse or a gallop horse, and put the horse on the ground, raising the saddle and using flat feet. Ending2: When your horse does a piaffe, he should look like he is doing a rapid trot, with short, active and high steps. [substeps] He should move through four clear stages or steps to achieve the piaffe. Ending3: There should be a vertical line on his neck joining the legs. The top of the piaffe should touch (and hang down below the hip bone) to the same point. Ending4: To do this, place the saddle straps and the stirrups above his hips. [title] Take a look at his body profile.

Answer format: ending1/ending2/ending3/ending4