Set your washer on lowest level, hottest wash. Throw in a couple of old jeans.Add a little bit of detergent. Put your item to be felted in a zippered pillow case cover.l Use my heavy duty cycle for max agitation. Only wool and animal fiber will felt. However, it should felt with a minimum of 50% wool. You should check it every 5 minutes, and when it begins to felt, watch it closely because it can go from almost done to overfelted almost instantly. IT is ready when the stitches disappear. Do not let it go thru the cycle. Remove ir from the waher squeezing out as much water as you can and plunge it into cold water in the sink. rinse it, squeeze it, and use as many towels as it takes to wick out as much water as you can. Work with it like clay to shape it and block it as necessary to dry.