Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to use an ehmer sling [title] Set the injured limb. [step] For an ehmer sling to be of any use, the dislocated joint must first be put back into place. You should never attempt to do this yourself.

Ending1: [substeps] Ensure that you are patient and know where to place the dislocated joint. Keep your eye on it as you lower the limb. Ending2: Anyone who has ever tested an zymtec cast must do so. [title] Place the dislocated limb. Ending3: Instead, take your dog to a licensed veterinary professional where they can receive proper treatment. [substeps] Your dog will need to be anesthetized in order to relax the muscles surrounding the injury and make it easier to secure the sling. Ending4: [title] Lay the injured limb on its back with its toes facing up towards you. [step] Keep the injured limb in you chest, keeping its details together.

Answer format: ending1/ending2/ending3/ending4