Q. My mouse is acting up. It feels like it’s rolling over gravel and it seems to skip. Do I have to buy a new one? A. You may need a new one, but in all likelihood all it needs is a good cleaning.

Dirty mouse? You’ve tried scrubbing, bleaching, even burning the dirt away — but nothing seems to work! Introducing Belkin’s Washable Mouse. Take an ordinary mouse, make it water-resistant and slap a ...