Yeh, that's the way we did it but when I cracked the tank valve and put the reg in my mouth I must've pulled too far away from the gear and yanked the mouthpiece right off the reg. I agree, the only thing this skill might show is familiarity with your gear and maybe comfort level in the water. If you divemaster by throwing all your gear into the water, letting it sink to the bottom, and then free diving down to get dressed ... then I hope you're not my divemaster! haha!