Ultrasonic cleaners are really handy devices, but they're expensive. We figured out that duct-taping a vibratory lap to the commode makes a pretty dandy ultrasonic cleaner at a fraction of the cost. This really turns your toilet into a true multi-function tool. We've also found that leaving the vibrating lap on all the time adds an interesting dimension to routine tasks. Note: it is a good idea to remove the basket at night and when you are not cleaning parts.