Cabela's offers the Keysmart KeyCatch Magnetic Key Hanger 3-Pack for $5.88. Opt for in-store pickup to dodge the $5.95 shipping fee. That's the lowest price we could find by $6. It replaces the bottom screw in a light-switch plate and supports up to 3-lb. objects.

Update: Coupon code "7HOLIDAY" yields free shipping.