Knife blade getting red hot before quenching

r/oddlysatisfying

Forgery of an Axe

r/interestingasfuck

A changing magnetic field induces eddy currents in the metal, thereby generating heat

r/interestingasfuck

The rusty kitchen knife was cleaned with a laser.

r/oddlysatisfying

This kitchen knife is so sharp that it can cut through a plastic bottle with just a light touch.

r/oddlysatisfying

Bartender Ice shaving ASMR

r/interestingasfuck

Making a knife out of obsidian

r/interestingasfuck

Metal forged under immense pressure

r/oddlysatisfying

Making of train suspension springs

r/oddlysatisfying

Slate roof tiles

r/oddlysatisfying

Metal oxide crust layer flying off

r/oddlysatisfying

Forging a kunai out of rusty iron

r/oddlysatisfying

The way this person harvests bamboo