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I Filed Backwards 2500 times and this happened.

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Fireball Tool

I put files to the test to see if backdragging dulls a file like many claim. I test coarse, medium, and fine files after I built a large testing rig to stroke tens of thousands of times. I also test if backdragging unclogs files. I use the slowmotion camera to analyze the results and use a microscope to observe all the files!

Get the Pferd Files Here!
https://fireballtool.com/10fileset...

Our New Hardtail Vise
https://fireballtool.com/fireballhar...

The Gloves I Wore
https://fireballtool.com/majesticlig...

How did I build this Machine?
https://www.youtube.com/watch?v=52d0T...


Musicbed SyncID:
MB01UXDSPZMMX9Q

posted by mywarcrya9