Resco Professional Spinner-Martingale Dog Show Lead, 3/8" Proudly hand-sewn in the USA by Resco - Providing innovative grooming solutions since 1937! Micro-crystalline wax-coated cotton for the look and comfortable feel of leather Achieve the performance of a Spinner with the control of a Martingale More Resco Show Leads available in Snap, Loop, Spinner, Martingale, and Spinner-Martingale styles Lifetime Warranty - We guarantee our products are of the highest quality and made to last so you don't have to worry.