Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to get a horse to put its head down [title] Identify your horse's poll bone. [step] You can train your horse to put his head down by using the power of touch on his head. Some riders prefer to use touch only so they do not have to rely on props or assistants like the reins, the halter or the wand.

Ending1: If your horse has a poll bone, showing it can help you train your horse to put his head down. [substeps] Start by getting your horse to bring down his neck for about 5 seconds. Ending2: [substeps] You can use you hand to work with your horse if that's the way he prefers. Work quietly and hold the reins easily in your dominant hand. Ending3: Other horses should use only the diaphragm, so that they can communicate easily and confidently. [title] Slow down if your horse is nervous. Ending4: Using touch will also help to strengthen your communication skills with your horse. [substeps] To use this method, you will need to first locate your horse's poll bone.

Answer format: ending1/ending2/ending3/ending4