M1-K9 Big Military Dog Collar, AustriAlpin Cobra Buckle, HD Leash + Pouch Inc. | eBay
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Ray Allen Tactical Cobra Buckle Dog Collar with Handle Large | eBay
K9 - Heavy Duty D-Ring Dog Collar
Amazon.com : Miles Tactical Cobra Buckle Dog Collar Heavy Duty for Large Dogs K9 and Military Made in USA (Medium with Handle, Coyote Brown) : Pet Supplies
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Evolution Nylon Dog Collar With Cobra D-Ring - J&J Dog Supplies
Mini Small Medium D Ring 1" Adjustable Dog Collar Quick Release Cobra Buckle | eBay
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M1-K9 Collar, AustriAlpin Cobra Buckle, 6 ft. leash and Utility Pouch. – M1-K9 Collars