Stores like Williams-Sonoma and Sur La Table are full of gadgets that purport to solve all manner of culinary problems. Often, these gadgets look stupid. Sometimes, they look promising. But are they actually worth buying? To help you answer this question, Slate presents a new video series in which we test kitchen gewgaws and rate them based on effectiveness, cost, and the clutter factor (i.e., how much space they take up in your kitchen).