The perfect Musselburgh hat? - What I have learned from making 12 - Best length, circumference, fit

After knitting 12 Musselburgh hats, i have learned the best
- weight of yarn
- needle to use - I used 3.25mm for fingering and light fingering and 3.5mm for sport
- stitch count to reach
- length to knit to before starting decreases
- fit that i like
- amounts of yarn I need
For more details on my projects, i am tashbalaz on ravelry.
Here is a link to my video tutorial for the cast on: https://youtu.be/cS5iIhaligY?si=0oyc41gXKF3ID3lT