I did, however, use bigger needles than recommended (I used an 8 and 9 instead of a 6 and 8) to get gauge and because I have a big head. I did 3 repeats but ended up with an enormous slouchy hat. Like this:
'Ey mon, give me some kibble!
I was either going to become Rastafarian or rip the thing back. I finally did the hard thing and ripped it back to 2 repeats, finished it again, and was quite happy with it!