Understanding Tail Injuries And What Causes Them Damage to a dog’s tail frequently happen from constant strong tail wagging, unexpected hits against walls or furniture, and small cuts or grazes caused during play. In many cases, what’s called happy tail syndrome is triggered by continuous injury to the tail’s end, https://magneticsphere330.webbuzzfeed.com/38944887/the-growing-craze-about-the-dog-tail-protector