Our big dog adjustable martingale collar is great for the bigger dogs out there. We use extra thick, full grain leather, add multiple rows of rivets along with grommets for the buckle prong holes to help prevent stretching and deformation....

Our adjustable leather martingale collar has a number of upgrades for the strong and stubborn pullers out there. We start with thick leather, then add strong double cap rivets and grommets to help prevent stretching and deformation from strong...