Sew 8 pairs of men's underwear - PEM BB textiles.wood.mens

This is a badge bit (BB) that is part of the PEM curriculum.  Completing this BB is part of getting the wood badge in Textiles.

Now that we're getting a bit more advanced in our textiles experiences, let's make clothes starting with the natural raw material.  

Minimum requirements:
 - Start with the prepared fiber and turn it into fabric
 - Sew 8 pairs of men's underwear
       - Can be boxers, briefs or somewhere in between

Provide proof of the following as pictures or video (<2 min):
 - Processing the material
 - Sewing each article of clothing
 - Show all 8 undies and attempt to demonstrate that they are a reasonable fit without getting too racy