I used the 48 peg 5/8” gauge loom, size 6 yarn. I used 1 skein for toddler and 2 skeins for adult.
I provide a video showing how to do the honeycomb brioche stitch in the round. This pattern has the write up for in the round and flat.
It is a hat that works up fairly quickly.
I provide video, written, and photo instructions for this hat.