Ergonomically-designed soft, silicone grip has just enough give to comfortably fits hands of all sizes (men and women) and eliminates soreness and chafing commonly seen when holding bare leashes for extended periods of time. Great design for arthritis sufferers. Carabiner can hold any dog leash - short, long, or training; no need for leash extension - make and model with a dog up to 85lbs in complete comfort. Since leash length should be determined by breed height and purpose, appropriate leash selection offers more control and safer walking experience. Sliding and pivoting carabiner movement on patented rail system offers smooth starts and stops while softening and making more manageable sudden pulling or jerking moments. Provides an amazing sense of freedom. Multi-function button on leash handle is always in a consistent place but serves many functions by adding different connectables that expand the Gismo's uses. From flashlight to training clicker (sold separately, as needed). Poop bag dispenser (included connectable) holds most popular brand bags and dispenses smoothly with one hand operation for quick and convenient dispensing. Clip on poop bag dispenser connectable provides hands-free carrying of used bags.