I was looking at adjusting the limiter straps tonight, but when I looked under, I couldn't find any other holes. Do I need to drill more holes or does it come with 2 holes already drilled? There was a lot of snow as I just got back from riding so maybe I missed the other holes. I've heard people talk about drilling 2 more holes, but some other posts suggest they're already their. It's an F6 if that matters. Thanks.