2.Thread: We recommend a good quality 100% polyester
thread - something like Gutterman or Mettler.
3. Tension: If you are sewing a knit panne velvet,
use a very slight (almost straight) zig zag stitch and loosen
your tension just a little. This will give your seam
enough slack to allow for the stretch. Try this method on a scrap
before you start sewing your garment to test this for yourself.
Also, if you live in the area, you can register
for one of our apparel sew labs and have lots of help
Thanks and bye for now
Suzan and Dianna