A sharp knife is safer, faster, and far more satisfying to use—but only if you maintain it properly. After testing electric and manual knife sharpeners on everything from chef’s knives to pocket ...

At Lamu’s Mkomani carpentry workshop, Mohamed Juma Bakari sits on a low wooden stool, his calloused hands steady and his eyes fixed on the task before him. Scattered around are chisels and gouges of ...