Open up your dryer, add wet laundry, place three or four extra-large wool dryer balls into your dryer and turn on your dryer. Then, sit back and let these magical balls turn your dryer into a more efficient machine.

Because these extra-large wool dryer balls may reduce the amount of time it takes to dry your laundry, you may need to reduce your dry time to prevent your laundry from over-drying, which could cause your laundry to wear out faster. If you don't have a dryer that senses how dry your laundry is and automatically turns it off, make sure you pull your laundry out beforehand.

Most wool dryer balls last up to 1,000 loads, you'll know when to replace your extra-large wool dryer balls when they start looking scraggly, pieces of wool will start to tear off. wool yarn fibers may even begin to appear on your dry laundry.

For best results, do not overload your dryer machine.