To buy: $8 (was $20); amazon.com. “I could not believe the amount of lint that I was able to vacuum out of the filter area, even though I conscientiously clean the filter every time I dry a load of laundry,” one customer wrote. “The attachment works great and was able to access the lower area of the filter space that I didn’t even know was there. It also worked well on cleaning the vent on the outside of our house.” In addition to keeping your clothes fresh and lint-free, regularly cleaning all of the nooks and crannies in your dryer can help prevent fires, according to the U.S. Fire Administration (USFA). In fact, the USFA claims that failure to clean dryers is the leading cause of home dryer fires.