Here’s a rusty knife.
Here’s a video I saw on YouTube once.
Here are some instructions I read on Quora…
Okay, how hard can it be?
Actually, it might be very hard. Actually, expertise has value. Actually, just because someone said it on the internet doesn’t mean it’s true. Or useful.
Experts aren’t always right. But I’d rather live in a building built by an expert, fly in a plane designed by an expert and yes, have surgery done by an expert.
Even barbers get trained.