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How to use an ehmer sling
Set the injured limb.
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.
Instead, take your dog to a licensed veterinary professional where they can receive proper treatment. Your dog will need to be anesthetized in order to relax the muscles surrounding the injury and make it easier to secure the sling.