Originally Posted by jstitch
If you are going to use a tube, you sew the tube with WRONG sides together. Trim the seam to a tiny 1/8 inch. Twist the tube so that the seam is in the middle and press. When you sew it down, the seam is hidden beneath the stirp.
Clear as mud?
This is the method I use. I have the pressing bars that you insert inside the tube and press