I've heard that secret rooms behind hinged bookcases are popular among affluent Gen Xers, but finding unobtrusive hinges able to support a bookcase's weight struck me as a nearly impossible task. Not so. Rixson, a leader in commercial door hardware, has just the product: Its Model 370 Pivot (left; $260) can support up to 500 pounds. Or, for an even heavier door, check out the 1,750-pound-capacity Model L117 (far left; $1,016). Prices include top and bottom pivots for a single door. Rixson, 866/474-9766, www.rixson.com

If you've ever had a callback for a sticking or drafty exterior door, you'll appreciate Hoppe's HTL Ultimate 2D Hinge. The conventional-looking 4-inch butt hinge is horizontally and vertically adjustable (+/- 1/8 inch) and features maintenance-free bearings and nonremovable pins. It comes in brass, chrome, stainless steel, nickel, gray, white,...

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