How do you slip stitch a waistband?
Catch a thread or two of the main fabric. Then, insert the needle back through the fold, about 1/4″(0.635 cm) to the left of your previous stitch. Pick up, or slip through, about 1/4″ (0.635 cm) of the folded fabric before exiting. Gently pull your thread taut.
What is a blind stitch machine?
Blind stitch sewing machine
A blind stitch machine will only do the blind hem stitch, which is found on dresses, skirts, and trouser legs, and nothing else. The blind hemmer makes its stitch by moving the needle from side to side rather than up and down like a traditional sewing machine.