Gauge issues - the pattern suggests 4mm needles but I can only get the right stitch gauge with 3.25mm and it's still a little too long row-wise with 3mm! What am I
Choosing Your Knitting Needle: Sizes of Needles | The Knitting Circle
Rogue Knitting! Or How to Decide Which Size Knitting Needle to Use – Tamara Moots Designs