How to Line Mittens with Fleece. Support me by buying me a coffee on Ko-Fi! This video demonstrates how to line knitted mittens with fleece, to make them warmer. Three styles of mittens are demonstrated: side thumb gusset, peasant thumb, and palm Crochet Mittens Pattern, Knit Mittens, Knitted Gloves, Knitting Patterns, Crochet Potholders, Knitting Videos, Knitting For Beginners, Kids Knitting, Knitting Help