5/8" BioThane® Long Lines matching items These martingale collars include authentic

These martingale collars include authentic Fi end-links to attach to your Fi 3/3+ tracker

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For those adventures where you need a little extra control

Click here to add a BioThane® Leash

5/8" BioThane® Long Lines matching items These martingale collars include authenticOur 5 8" BioThane Long Lines are the perfect balance of freedom and function. Whether youre training a recall, giving your dog more space on hikes, or letting them explore safely at the beach, these long lines are made to handle it all. Available in 10ft 50ft lengths. Don't see the length you need? Send us an email to request a specific length. These long lines have the option to add a handle at the top of the leash or not. No handle is ideal for