A Dremel is one of those items: Nobody asks for a “rotary cutting tool,” they just ask for a Dremel. Right now, you can get one of the brand's iconic cordless models on Amazon for over $60 off ...

You can, but as you probably guessed, it takes some particular tools and techniques. You can use power tools like a Dremel or an angle grinder with a metal sharpener attached, or you can hone it ...