BRILLIANTK9 IS THE DOG HARNESS OF CHOICE for Multiple World Team USA Agility Teams Used by The Top Professionals and Handlers in Agility, Canicross, Dock Diving, Disc Dog, Flyball, Lure Coursing, Nose Work, Parkour, Terrier Racing, UpDog Challenge. BRILLIANTK9 IS THE DOG HARNESS OF CHOICE for Multiple World Team USA Agility Teams Used by The Top Professionals and Handlers in Agility, Canicross, Dock Diving, Disc Dog, Flyball, Lure Coursing, Nose Work, Parkour, Terrier Racing, UpDog Challenge.