The most important piece of sledding equipment The harness is an essential part of equipment for any mushing sport, such as sledding, canicross, bikejoring, and scooterjoring. Whether you're a beginner or an experienced musher, having the right harness is key to getting the most out of your experience. You could say, what about the running belt for canicross or the bicycle for bikejoring? The answer would be always - nope, it’s the harness. The harness is the most important piece of mushing gear and here’s why: because dogs don’t speak. We can tell if the running belt fits us and feels good on ...