Linked Questions

38
votes
8answers
9k views

How to test that a knife is sharp enough?

As per the question - how to I test that a knife is sharp enough? And/or, how do you know when a knife needs sharpening? Edit: Yesterday I attempted (I feel quite successfully) to hone my knives for ...
17
votes
5answers
29k views

Can I sharpen a knife with sandpaper?

So I was thinking, instead of purchasing a dedicated (and expensive) whetstone with limited coarse(ness?) range, why not use patches of sandpaper in increasing grit numbers (getting finer), stretched ...
15
votes
7answers
13k views

How do you sharpen a serrated knife?

I have some quality serrated knives but over time they get dull. How do I sharpen them?
11
votes
5answers
53k views

How often should knives be sharpened?

I've a Wusthof classic ikon knife which i've had for about 5 months, it seems to be losing it's edge. It's regularly honed with a grooved honing rod, but I'm unsure if I'm doing it correctly. I've ...
13
votes
3answers
4k views

How can I sharpen my peeler?

Is it possible to sharpen a peeler? And if it is, how should I do it? Are there any things to look out for? (Such as ending up with concave blades.) This is the sort of peeler I'm talking about:
6
votes
6answers
446 views

I'm not looking to learn a new skill; how do I make my knives better at cutting?

I am a reasonably proficient casual kitchen user and I have a set of kitchen knives I bought from a (British) supermarket a few years ago. Recently I've noticed they've become less good at cutting ...
13
votes
3answers
1k views

How can I learn to sharpen my Japanese knives properly?

I have a couple of nice Japanese kitchen knives, and a whetstone in two grades. I can sharpen them reasonably well using the stone, but does anyone have any good tips for improving my sharpening ...
6
votes
2answers
3k views

How to convert knife edge angle “ratios” into degrees?

European-style Japanese knives seem to be described (also here and here, and in my most recent post) in terms of "ratios" that always add up to 100. It's not exactly clear what this means in terms of ...
2
votes
2answers
1k views

How do I identify a bad sharpener?

I have a cheap plastic board with an in-built pull-through sharpener, metal and ceramic. I have have trouble believing that this can be any decent, but I have tried it on a bad knife. The knife is now ...
6
votes
1answer
1k views

Why does oil reduce the effectiveness of Japanese waterstones?

I've read in several places that oil should not be used on Japanese waterstones, but none of the sources explain the reasoning behind this. What, if any, damage would using oil cause and would it be ...