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The Last Line of Defense

For Ocean Goers against Sharks

Biting back at pollution, one recycled ocean plastic product at a time.

What is Biteback?

We create products made with recycled plastics, we encourage and support others with the same dream and provide a platform for them to reach like minded costumers.

Biteback is dedicated to cleaner oceans and waterways, a cleaner planet in general, through recycling, innovation and design.

Limited Release - Made with Recycled Ocean Plastic

The Biteback Spike, the last line of defense for surfers and ocean goers, against curious and aggressive sharks.

Keep it simple. No batteries, no magnets, just an easy to access, sharp stainless steel spike, designed specifically for surfers and active ocean goers, that sits safely and securely out of the way, in a low profile ultrastretch neoprene case on the upper arms.

It is not practical, comfortable or safe to wear a dive knife or to strap on makeshift shivs, if you are engaging in active ocean sports like surfing.

It's a no brainer. If worse comes to worse, a sharp spike is better than your fist, at persuading a shark you are not an easy meal, unless you are Mick Fanning perhaps.

At that sharky spot and on those days when noone else is out, the Biteback spike will help make you feel safer and provide a better chance of surviving an encounter with a shark.


• 316 Stainless Steel Spike.

• Durable and easy to grip handle made with recycled ocean plastics. High vis orange colour and it floats.

• Sheath, also made with recycled ocean plastics, also high vis orange and floats. Easily detaches for quick access to spike in case of emergency.

• Low profile, superstretch neoprene carrier. Tool slides into built in pocket and secures safely to the outside of the upper arm(s). Provides quick and easy access to the tool, in case of emergency.

• Rugged and durable lanyard for easy access to tool, in case of emergency.


This should not require a whole of explaining, but here you go.

We enjoy surfing and spearfishing, among other things. When we enter the ocean, we are aware we are entering the food chain, a concept far removed from daily life for most.

We respect and admire sharks, however we’d rather avoid getting bitten. Sharks, like most predators, if they sense an easy meal and no real threat, will approach, investigate and potentially attempt to feed. Unfortunately for humans, this could be disastrous, as we have no natural defenses.

So what do you do when a shark gets too close when spearfishing? If it is behaving aggressively or if it is a big bloody bastard and you feel intimidated, you go in obviously. Otherwise, you give it a good jab with the tip of your spear or your dive knife. Works pretty good most of the time, so we thought we’d throw the option out there for surfers with The Biteback Spike.

Research has shown that the eyes, gills and electroreceptors (Ampullae di Lorenzini) concentrated around a shark's snout are their most sensitive parts and this is where humans should focus their defensive strikes, in a worst case scenario (ie. an attack).

Who's it for?


...I like that it can be accessed quickly in an emergency. When I was bitten by a Grey Reef shark at Enewetak Atoll, it would have definitely come in handy. I was bitten on my left hand and my partner was bitten on his right arm. Even though he had a bang stick mounted on his backpack, there was no way for me to remove and activate it, since it would have required two hands. I can see how your product would be a lot easier to use, plus would not be nearly as dangerous to use. It's nice to know it won't kill the shark either!

Phil Light, Ph. D Marine Biologist (Shark attack survivor)

I like the Biteback's design. Its simple.  Next time, I'm biting back!

Roger Moore, Surfer/Kitesurfer/Ocean Engineer (Shark attack survivor)