The Pony SmarTack Interchangeable Tack line allows you to change the color and pattern of your breast collar and wither strap in seconds. Our patent pending design makes it inexpensive and easy to change your look without having to buy a whole new tack set. SmarTack is the ONLY interchangeable tack line in the world with endless style opportunities. Each Pony SmarTack tack item comes standard with the Orange-Blue Aztec inlay pattern, but you can add any of these fun designs to your style selection too. These inlays are all interchangeable and reusable!If your horse looks good, you look good.