Shearling-Lined Martingale Leather Dog CollarIt is so important to protect your dog's delicate trachea, and this beautifully designed martingale collar by New York based Auburn Leathercrafters allows you to do just that, while helping to train your dog or to alleviate a pulling issue. With comfort at top of mind, the collars are lined with Shearling, a naturally absorbent material, that will keep your pet cool and comfortable. Made from bridle leather which is commonly used in the equestrian