Basic sewing skills provide the basis for a multitude of projects, from making a simple cloth pouch to a fitted cotehardie.
In this video, friends Mathilde Haðebyr, Kaðlin in Stórráða, and Gersvinda Gaeslingr of http://totalwingnut.blogspot.com provide some useful sewing tips on how to do a simple running stitch and a whip or hem stitch and then how to use those to finish a seam.