The Mayflower arrived on this date in 1620, and the Pilgrims set foot on Plymouth Rock. Unfortunately it was slippery and some fell in. That wouldn't have been so bad if they had clothes dryers back then. If they did, they?d have needed to check their dryer vents to be sure they weren't clogged with lint. It's something you should be doing regularly. It's one of the leading causes of residential fires (due to excessive heat build-up). In electric dryers, too much heat can also trigger the thermal-temperature fuse, a one-time shutdown device that only a pro can replace. You can also trigger it by opening the door and stopping mid-cycle because the heaters below are red hot. So, always turn the dial to air-dry before opening. Clean lint screens and exhaust vents often. Heat build-up wastes time and money -- and sometimes lives. Be both lint-free and worry-free. And that's the On The House tip for today.