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Just_A_Human@sh.itjust.works

gear tip: foam cushion (lemmy.nz)

submitted 1 week ago* (last edited 1 week ago) by leanleft@lemmy.ml to c/camping@sh.itjust.works

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foam mat roll, exactly like this, from harbor freight (or wherever). cut it into squares or narrow strips, or micro(for easier packing).
why: save your butt. softer than sitting on rocks, gravel, or concrete.
benefit: cheap, light, effective.
cons: easy to forget (thus leave/lost risk) , often packs awkwardly.
*tip: large pieces double as shading tool eg when walking in the sun.

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[–] vapor_body@lemmy.ml 1 points 1 week ago (1 children)

That's very interesting. I don't know anything about knives though, does this make the knife better for certain uses?

[–] cetan@piefed.world 1 points 5 days ago* (last edited 5 days ago)

A convex edge makes the edge of the knife stronger. The convex edge is also called an "apple seed edge" gives more strength for more difficult/harder tasks. The trade off is that it's going to behave less "sharp" than if you have a standard v-edge. Not that it's not a sharp edge just that it won't be wickedly sharp. However, it's going to last longer than a v-edge (broadly, lots of variables here).

So, for example, woodworking tools will be a v-edge because you want the sharpest possible edge. The trade-off is some of that edge will be less stable/strong over time and you'll need to re-sharpen more regularly.