I use this ingenious $21 USB-C gadget weekly. It’s a game-changer

Every so often, I end up with a new gadget, accessory, or tool that’s so good that I wonder how I ever lived without it. My most recent example is this USB-C endoscope camera, which I snagged for just $21.

What’s an endoscope camera? Think of a long, flexible tube with a camera and light attached to one end. In the medical field, it’s used to look inside the human body—but for me, it’s been an everyday game-changer for all kinds of practical uses.

Before I got this nifty little...