I have one of these for travel: https://store.177milkstreet.com/products/suehiro-for-milk-street https://store.177milkstreet.com/products/suehiro-for-milk-st...

I have one of these for travel: https://store.177milkstreet.com/products/suehiro-for-milk-street https://store.177milkstreet.com/products/suehiro-for-milk-st... All you have to do is run the knife through it a few times for a decent sharpen. No power, no effort, no skill required.