After I spin a skein of yarn, it needs to be washed.  I put this off until I have enough to take several days of washing.   I also talk about doing a burn test on fiber to determine the fiber content.  One was a very big surprise!  The flow chart I was using for this burn test can be found here. My pack of luxury fibers contained white angora and it is shown on the Nano spinning wheel in the photo with this podcast.  The pack of fibers came from Sericin Silk Etsy store.