Bulky Crochet Thrummed Mittens: How to Create Thrums & Crochet a Thrum Stitch - YouTube
Easy Thrummed Mitten Kit
Yarnia LLC - Thrums...glorious thrums. Asking “what are those??!?” Check out @jen_bonnell 's class on Sunday to learn how to make thrummed mittens. Make your mittens (or slippers, or headband, or anything!)
Thrumming! Making thrums with wool roving and knitting with thrums
Making Thrummed Mittens
Planning to Knit – Mitten Patterns With Thrums – New England's Narrow Road