Bend Bore Violate big knitting needles and yarn tiger Savant Ooze
Knitting with huge needles, DIY Chunky Knit Blanket using two strands of yarn - YouTube
6 Jumbo Yarns For All Your Chunky Knit Projects (All Tested)
Thin yarn plus big needles = frustrating practice. Thicker yarn (in wool per the book recommendation) + big needles (plus a few tips from *YOU AWESOME PEOPLE* = much better practice results