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Sharpen Sickle by Peening?

I've read, and seen youtube about sharpening a sickle or scythe by cold hammering the edge to a very thin, sharp edge.  Although I get the idea of coldsmithing (kinda) it just seems to be something that I don't have the knack for yet. I also don't have some of the specialized jigs I've seen on youtube.

Do any of you have experience with sharpening an edge by hammering it while cold? Tips?

All it takes it a good anvil and hammer.

Cold forging is not for the beginner and to practise a block of lead works great.

Melt it and poor into a cast or similar size than your final workpiece.

By hammering on the edge while lifting the workpiece a bit you get the thinner edge.

Turning the piece many times assures you get even results on both sides.

For a sickle you have not many options but to use a hammer with round surface.

Your biggest problem is securing the piece as every smash with the hammer also produce a force pushing the piece outwards.

A long handle could be enough to work with it if you get the technique with the hammer right.

All you need is a restraining point opposite the area that you hammer on.

On a standard anvil you can enter a piece of steel into the drop hole and use that as a rest to secure the workpiece.

You only have to move it a lot so you always secure it with the edge opposite the are of hammering.

Considering the hard work of finnishing it with a sharpening stone and the better cutting edge I suggest to only turn the sickle to the other side for the initial form shaping.

After that only work on the side that is facing upwards when cutting.

The result is a much smaller angle for the cutting edge, which for the intended purpose of cutting things is ideal.