Understanding Tail Injuries And How They Happen Canine tail wounds commonly occur from repetitive energetic movement, unexpected hits against hard surfaces, and minor self-inflicted wounds picked up while playing. In many cases, what’s called happy tail syndrome stems from repetitive impact to the tail’s end, causing repeated splitting and discomfort. https://infinitehaven096.webbuzzfeed.com/38944936/the-benefits-of-knowing-k9-tailsaver