Grilled Chicken on Skewers

Yakitori shops—small places, mostly joints, where you sit at the counter—specialize in chicken, though you can use this sauce and technique for almost anything that can be cut into bite-sized pieces: chicken wings, chicken skin, chicken livers or gizzards, bits of pork, shiitake mushrooms, scallions, even garlic cloves. Sometimes different things are combined on skewers, too, so feel free to go that route. A good hot fire, preferably made with real charcoal (not gas and certainly not brique