The JERK-EASE BUNgEE DOg leash extension fastens between your dogs leash and collar, dramatically reducing the strain on muscles and ligaments when your dog pulls or tugs It works with any leash and collar (or harness), including retractable leashes, training collars, jogging tethers, bicycle attachments and specialty leads The Jerk-Ease stretches just enough to cushion jerks and tugs for you and your dog without compromising control PLEASE NOTE: The weight recommendations are a guideline and will be accurate in most cases AYou and your dog will instantly feel the differenceALISA POLEc, cHIROPRAcTIc PHYSIcIAN AThe Jerk-Ease is to walking your dog what the BMW is to drivingA theresa liourneau, master DOg TRAINER AI highly recommend getting the Jerk-Ease leash shock absorberA gRISHA STEWART, cERTIFIED PET DOg TRAINER AThe Jerk-Ease helps protect dog walkers from the acute pain caused by sudden tugs on the leash, and from chronic pain caused by repetitive stress injuries of the wrist, elbow, shoulder, back, and hipsA sanford levy, MD, ANESTHESIOLOgYPAIN MANAgEMENT AThe Jerk-Ease reduces stress on your dogAs neck and shouldersA DOg FANcY MAgAZINE AThe Jerk-Ease absorbs the shock caused by a dog tugging on a leashA DOg WORLD MAgAZINE AEven the best-trained dog can have bad days That is when you want to have a Jerk-Ease attached to your leashA JUDITH LEVY, cANINE BEHAVIOR cONSULTANT AHelps prevent a sudden jerk on your dogAs neck if you stop abruptly or suddenly change directionA alana stevenson, professional DOg behaviorist & author of ATRAININg YOUR DOg the humane waya