It’s an automatic sauce stirrer that’s battery-operated. You put it in the pan and it keeps the pot stirred. Sounds great, right? Hands-off cooking?
Not so much. It looks like a cylinder with three delicate metal legs, ending in silicone feet. The cylinder holds four double-A batteries and vibrates when you push the top. It’s really silly. And weak. The minute the sauce thickens, it gets stuck.
How would you design a better pot stirrer?