Electric and pull-through sharpeners wear out your knives faster than they maintain them
Sorry to break it to you, but most sharpening gadgets sold in stores (electric sharpeners, pull-through systems with fixed wheels) remove far too much material on every pass, at an angle you can't adjust. The result: the blade wears faster than with manual care, and its original geometry deforms with every pass. These aren't shortcuts to a sharp edge — they're shortcuts to a prematurely worn-out blade.
Japanese whetstones: real craft, not an accessory to use lightly
A Japanese water stone, in good hands, gives the best edge there is. But it's a skill in its own right: you need to hold a constant angle along the entire length of the blade, adjust the pressure, and maintain the stone itself. If you're ready to properly learn it, go for it. If you'd only use it twice a year without a method, you risk damaging the blade more than sharpening it — better to leave that work to a professional.
The ceramic honing steel: the simplest solution, and often the best one
No gadget needed: a plain ceramic honing steel, used regularly, is enough for everyday upkeep. It takes a bit of practice at first — the right technique is explained here — but it's the most reliable tool for home use, with no risk of damaging the blade.
Regular upkeep beats any intensive once-a-year sharpening
This is the most important point, and the least intuitive one: honing often — even daily — keeps an edge sharper than one heavy sharpening once a year. An edge maintained along the way never really rounds off — it stays close to its original shape, and needs less material removed at each professional sharpening. Letting a knife go dull for a year, then trying to fix everything at once, wears the blade down far faster over its lifetime.
In short: a ceramic honing steel daily, a Japanese whetstone only if you're seriously training in it, and professional sharpening at the workshop or by post as soon as the edge stops responding. All the other questions are in the FAQ.