While you could technically use a hands-free leash with a waist belt while cycling, it might not be the safest option for you or your dog. Even if you were to shorten it, most hands-free leashes have quite a bit of give and won’t keep your dog from running in front of your bike. Hands-free leashes that are designed for cycling work to keep dogs a good distance away from both the sides and front of your bike for a safer ride.