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>>2973713
Why don't you crawl back to /pol/?

For anyone as retarded as OP, turning a bike into a sharpening station is a century old thing, pic related. People who did that job went from town to town in their bike, and along with resharpening knives they usually also carried repairs for things like umbrellas.

>>2973721
That's an Italian, so on-topic.

>>2973713
What's the fork for?

>>2973728
that's more funny thnan it should be

>>2973783
Probably a place to lay down the knife he's working on. Kind of wedge it between two tines.

>>2973783
to hold the front wheel

>>2973721
>>2973713
isn't this like putting a knife to a bench grinder abusing it basically and taking off more metal than you should

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>>2973853
It depends on the grit of the stone and on the skill of the worker. Besides, a knife that's been ground down more than strictly necessary is still better than a dull knife. Also, if you're in rural nowhere, money are tight, and that's your only option for knife sharpening, then you'll take it.

Now that I think about it, a spinning grinding stone is still a method in use today. Tormek are stupid expensive too.

>>2973798
the problem is they really seem to build such devices sincerely.

>>2973713
>>2973721

I genuinely don't understand the hate. This is innovation. This is survival. You have people who are making a business with nothing but a modified bicycle, and skill. This is fantastic.

Then you have people like you, calling them niggers, and trying to rope in other people who are so low in the society they live in, they are trying to make a spectacle of a society that has nothing.

You've done nothing but put yourself on display as the insufferable faggot you really are. Good job.

>>2974619
Crawl back to /pol/ with your weaponized teen angst and leave the adults free to enjoy /diy/.

>>2974621
>go back to /pol/
That's your answer to everything you don't like because you're a weak faggot. lmao

>>2974622
Enjoy your b&

>>2974623
Weak pussy confirmed. lol

>>2973853
People have been sharpening knives like that for a long, long time, anon. No, it's not going to turn your head-hacking machete into a razor blade, but it'll do a good enough job.

The stone isn't spinning like it would on a bench grinder. A foot-powered grinder probably barely spins fast enough to send sparks. An old farm I used to rent used to have a hand-cranked bench grinder. Did a serviceable enough job sharpening lawnmower blades.

>>2974625
it does send sparks though there is a gear ratio and they like to crank the peddles to show they're working hard it's a showmanship of sorts at the expense of spectators knives

(o)(o)

>>2973721
you're in the files lol