Credit card knife in steel for $0.72

There are moments when I would like to have a knife at hand. Perhaps the Iain Sinclair Cardsharp, which fits in every wallet due to its practical credit card format, can help. It then “only” has to be unfolded three times and is then ready for use. The perfect credit card knife.

credit card knife

At a ridiculous 13 grams, the knife will be transportable for almost anyone. For such a small thing it is, as already written above, amazingly sharp and can serve as a helper in every situation in life, be it camping, diving or in the kitchen. I would rather not kill bears with it, but for many others it is a nice premium gadget. A fine thing for knife fetishists – perhaps rather pointless for everyone else. Or what do you think?

credit card knife instructions
With a little practice, anyone can do it.

It is questionable whether the Chinese versions of the knife are just as sharp or are more suitable for spreading butter (which would also be something 🙂 ). It will give you a lot of surprised looks though, taking a knife out of your wallet.

To the gadget
Profile picture from Maike


I love Gadgets destined to ease your everyday life - e.g. smart home gadgets. I own a few Xiaomi Gadgets (Xiaomi Mi A1, Xiaomi Yeelight Bedside Lamp, Xiaomi Wifi Repeater etc.), and would consider myself a fan :) 

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