Dryer ball
Dryer balls are sets of balls, made out of either wool or plastic, the manufacturers of which claim that they help soften fabrics without chemicals in a tumble clothes dryer.
Many companies manufacture wool dryer balls, and it is fairly simple for a person to make wool dryer balls by felting wool yarn.
A Popular Mechanics article published in 2009 was unable to find any beneficial effects from the use of plastic Dryer Balls. This conclusion was reached by drying clothes with and without the Dryer Balls.
