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Iain Sinclair Design's Brilliant Emergency Folding Knife

By Rain Noe - August 8, 2011

in Hand Tools

The Cardsharp utility knife, by UK-based Iain Sinclair Design, is an ingeniously-designed stainless steel knife that unfolds into a credit-card-sized shape for storage and transport. When closed, the rectangular shape protects the blade and the carrier from accidentally cutting themself; when open, the folding surfaces are arranged so that a corner of the rectangle serves as a miniature hilt, keeping the user's finger from sliding onto the blade.

Originally intended for emergency surgical and first aid applications, the Cardsharp has since been embraced by campers and outdoor enthusiasts looking for an easy-to-carry, compact cooking knife. Made from stainless steel and polpropylene, it weighs just 13 grams, about half the weight of a conventional folding knife. The hinge mechanism itself has been carefully designed for durability and, unlike a conventional "living hinge," is projected to last for an infinite amount of openings and closings, backed up by a lifetime guarantee. Check out how it opens and closes (and yes, it locks into position):

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TSA

13 years ago

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@Jono

We'd like to get in touch with you.
Can you please send over your contact info.

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Steve

13 years ago

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Clever design. Also great for hiking or where weight is an issue. I would rather it didn't have his name and logo plastered on every available surface.
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Luke

13 years ago

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Something tells me the TSA isn't going to be happy about this.

Clever design, though.
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Jono

13 years ago

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I wonder if airport security would pick up on that?

They didnt pick up on my large pocket knife one time.
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