Lapel Knife

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Introduction: Lapel Knife

A lapel knife is a small, easily concealed blade often used by spies in WWII. It can be hidden in a lapel, as its name suggests, or it can be dropped into a boot, slid into a sock, or even hidden in a tie. 

My lapel knife is made from a high carbon steel circular saw blade. I cut it out with an angle grinder and shaped/sharpened it with a bench grinder. The blade is chisel ground, meaning it is sharpened on one side of the blade only, like a chisel. LOA is ~ 6.5cm, with 5 cm for the blade.

I'm not sure how the knife was originally intended to be held, but I hold it between my thumb, middle and index fingers, almost like it's a key. I DO NOT recommend holding it between thumb and the middle of the index finger. I tried it this way and got a nasty cut almost immediately.

Now, this is not a knife one would use to stab through a door. It's for quick, jabbing strikes to the face, eyes, and throat. Maybe some thug's trying to pull you from your car, and you give him one heck of a poke on the back of the hand. He's going to want to let go pretty darn quick. Also, as I mentioned in my Kakute ring 'ible, head wounds bleed profusely. If this knife opens a 6" gash in an attacker's forehead, the blood streaming into his eyes prevents him from seeing clearly, giving you time to kick is legs out from under him and get away.

DISCLAIMER: I AM NOT RESPONSIBLE FOR ANY DAMAGES INCURRED, INTENTIONAL OR OTHERWISE. MAKE AND CARRY AT YOUR OWN RISK.

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I don't Know if you are interested but here is some information on the British SOE Lapel Knife from World War II

Lapel knife.jpg

Now, that is way more interesting than people telling us that carrying knives is illegal where they live. Dude, it's the internet...it wasn't necessarily written in your country.

As a rider carrying this in most parts of the world would constitute a concealed weapon and lead to arrest of found.

In the UK they lock you up and throw the key away as knife crime is seen as very serious.

That's why I'm glad I live in the U.S. We've have very few knife laws. Our government doesn't think of us as "subjects".

Yeah, well, I think knife laws are stupid. The UK's laws in particular. Since the weapon ban started, violent crime rates have gone up, not down. What they need are stricter regulations, not a blanket ban on everything from toothpicks to AKs.

Well said and a nice instructable.

I have a number of old saw blades and this is a good use for some of them.

The UK has outlawed guns so the thung use knives. There is talk of outlawing knives. What next, make illegal to own a baseball or cricket bat?

I live in the South. Everyone is armed and everyone is polite.