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FREE standard shipping on all orders!

FREE standard shipping on all orders!

FREE standard shipping on all orders!

Merry Jane & Thor

GangstaMutt™ Dog Collar Kat Fight Graffiti | Martingale Training

Size: SM | 10 -15 in. neck, 1 in. width


Free shipping on all U.S. Domestic orders.


GangstaMutt™ Highlights

Head Turning Graffiti Design

Durable & Made in the USA

Easy to Clean


Looking for a martingale dog collar with a trendy twist? This designer martingale dog collar is functional and stylishly finished with our antique bronze finish hardware. The cool metal chain alerts your dog when giving a correction. GangstaMutt™ is playful graffiti from your dog’s point of view.

Kat Fight Collection: dog collars with an easy on/off slide metal buckleside quick-release metal buckleand sturdy plastic buckle. Matching leash and harness also available. Check out more playful graffiti options here.

Best For: training and walking those pullers

Design: original graffiti designs that define your dog’s one-of-a-kind personality

Materials: military grade polyester webbing that is soft, antique bronze finish paw print metal rivets with metal martingale set-up

Where It's Made: proudly designed and Made in the USA

Never leave your Furbaby tied up and unattended with any dog collar.

How a Martingale Works

The Martingale dog collar should slip easily over the dog's head. The dog leash clips on the O-ring. When you give a correction by pulling on the leash, the 2 D-rings come together. The chain is only tight when giving a correction.

This collar should NEVER choke the dog, it just tightens. The tightening plus the sound of the chain helps alert the dog that a correction is needed. Please let us know if you need further instruction on how to use this collar.

Martingales are intended for training and walking purposes only.

Size Guide

SM 11”-15” Width is 1” / MED 13”-20” Width is 1 1/4” / LG 18”-25” Width is 1 1/4”

Finding the right fit is easy with our printable measuring tape. Custom sizes available with no extra charge. Please visit Thor's Custom Shop and we'll make sure you get the best fit for your pup.

Strength Tested

Our Martingale set-up has been strength tested at 2G force of 125 lbs and 250 lbs of continuous force. Good for up to a 75-pound dog.

Care Guide

Keep the swag you own looking beautiful by handwashing with liquid soap or cold wash in the washing machine using a mesh laundry bag. Always air dry, this protects the custom hardware.

Shipping and Returns

Collars and leashes ship within 2 days. Harnesses ship within 1 week. All returns and exchanges need to be within 30 days after purchase and in new, unused condition.

Customer Reviews

Based on 12 reviews
Margie Smilanick
Best ever.

The martingale collars I got for my basset hounds are the best ones ever. Traditional collars enclosed their neck folds too much causing the yeasty soreness problematic in bassets. These loosen when not on lead allowing their charming wrinkles to breathe. AND...they are the cutest things ever! Larry has the BFF graffiti collar and Hazel has the queen of hearts ♥️. 10/10 would highly recommend.

I just love your wrinkle descriptions. So Charming!!!!! Thank you for the kind words

Love it

My silver lab is sporting the Snarls Barkley collar and the colors are gorgeous!

So happy you like them... Thank You!

Dene Walker

Cool Graffiti Martingale Dog Collar | GangstaMutt™

Luisa Zalzman
Graffity Design

I loved the design and colors! The fabric of the leash is a little slippery making it harder to have a tighter grip. That's the only reason I gave 4 stars.

Thank you for the feedback Luisa. We will be offering an add-on to our leashes that would pad the handle giving it a tighter and more comfortable grip. Stay tuned for 'Thor's Custom Shop' Opening sometime in 2021

michelle brancato

I work and bring my dog Milo to Camp Bow Wow with me ..EVERYONE adored the collar and the design and metal are amazing..I am waiting for another one one the way..

Thank you Michelle... and a big thanks for purchasing our new Heroes 4 Heroes collar. You're making a difference