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I was browsing online and noticed the new Leatherman RX, this is a variation on the Leatherman Skeletool with a glass breaker. What a great addition, my Leatherman Tread wearable has this on too and I got wondering why this isn't a more popular tool.

At the time of writing, you can't purchase the glass breaking bit as an upgrade, so I set about making my own.

Step 1: Parts

Pictured is my Leatherman Skeletool, I picked up a MUT bit kit for £15 on amazon.co.uk.

This consists of 2 long double ended bits and a small one. The skeletool comes with 2 double sided bits (2 slot + 2 phillips) We are going to be replacing both of these

The good thing about the kit is that it gives you a slot/phillips bit that can be stored in the multitool body meaning that functionality is still retained whilst adding our custom bit.

I selected the long bit that I was least likely to use (the torx15 bit)

Step 2: Marking

I had a handcuff key that has a glass breaker on the other end, I used this to get a good idea of where I want my custom bit to sit.

I wanted it to protrude from the handle so that it is always ready and waiting.

I marked this up with white electrical tape (see picture)

Step 3: Machining

Now, this was the difficult bit.

Although I can use a lathe very competently, I unfortunately don't own one. So we improvise.

I clamped the bit into the end of my electric drill and taped the trigger down, then used my Dremel to shape the bit whilst it span on its axis. The important thing is to let the Dremel do the work, not the drill (make sure they spin in opposite directions or it will take you forever)

I was genuinely surprised at how well this worked.

Step 4: Finished

You can see from the pictures, the result is a bit that has the same tapered point as the purchased breaker.

It sticks out of the pommel just enough to be useful.

The bit is of course still removable, so you can use both the slotted + phillips screwdriver bit (stored with in the tool)

I have yet to test this on actual glass, but if anyone else gets there first let us know!

And there you have it, a DIY removable glass breaking bit for the Leatherman Skeletool.

I've got some ideas for some more custom bits but feel free to post your own.

Enjoy!

<p>Neat. Nice method for grinding the point.</p>

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