I've never used the CFF rings, but I did splurge for the Rouge Rings and straps. Fantastic tool for all sorts of amazing body weight workouts: muscle ups, ring dips, ring pull ups, body rows, ring-push ups, ring handstand push ups (you think muscle ups are hard, try hand stand push ups on rings).
Originally Posted by iniQuity
As far as muscle ups --- there are some great progressions you can train to get there. But really, as iniQuity stated, you're not going to have much luck doing actual muscle ups until you increase your pull ups. I'm still doing scaled muscle ups myself --- the rings are at a height about mid-way up my torso, I get on my knees on the ground, sitting back on my heels...grasp the rings with a reverse grip, and pull my self up using my legs as needed, then into a quick transition to a dip position and then complete a ring dip.
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