Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to halter a horse [title] Prepare your halter. [step] Before you begin the process of haltering your horse, you'll need to prepare the halter. If your horse is acting up, it can be hard to prepare the halter in the moment.

Ending1: [substeps] Prepare the halter ahead of time so that you have plenty of time to launch yourself into action. For a pony, the basic idea is to whip out your halter whenever the horse rears up into it. Ending2: [substeps] Unbuckle or unsnap the crown piece. This is the strap of the halter that goes behind the horse's ears. Ending3: [substeps] Attach your halter to your lead line so that it is on your horse's neck. In other words, tie a very tight knot around the back of your horse's neck. Ending4: Therefore, you'll need to prepare the halter before you start. [substeps] You want to make sure that you always have an old, long, halter.

Answer format: ending1/ending2/ending3/ending4