And you know, I've been trying to find videos to make warm hats and mittens for cold climates. The ones I've found so far are double crochet ones that are supposed to be warm. But the posters are from California, Texas, Florida. You know how that goes. Try 30 below, gals. I did come across an interesting video for a stitch that I'm trying now. It seems to thicken the fabric with minimal holes. This is the linked double crochet and linked half double crochet stitches. I think the double crochet one leaves fewer and smaller holes.