Hi Brad, thanks for the tip. I try to use high-mount as much as possible, although I get bucked-off in transition to subs a lot.

I am much more comfortable in sidemount or north-south. Mount (IMHO) seems like it's great for ground-n-pound, but not so much for submissions.
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"In case you ever wondered what it's like to be knocked out, it's like waking up from a nightmare only to discover it wasn't a dream." -Forrest Griffin