For this project you'll need:
- A bar of fully cured soap - from whatever soap recipe you want.
- Some raw wool - often called "roving"
- Hot water
- A washboard, or ribbed mat of some sort (optional) - I used a sushi-rolling mat. I've heard other people use the ribbed top of a tupperware-type container. It's not required, but it does seem to help speed the process.
- The bottom of an old pair of pantyhose or knee-highs (likewise, optional) - These too aren't required, but they do seem to help keep the wool more evenly distributed around the soap.
For a video version of this project, watch my How to Felt Soap With Wool video.