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I don't get it also but I am not too sure I want to know.
But the other kind of butt plug? That one should be removed for travel. It could get in the way of the TSA.I'm guessing that they are referring to the bottom dump valve of their BC, so that their BC bladder is not a sealed unit during air travel.
However, I don't believe it necessary to remove this for air travel.
I used to breathe through my snorkel at the surface at the beginning of dives while waiting for other folks to get in the water and getting the "OK to descend" signal from the DM. I don't do that any more. It only took once forgetting to switch to my reg to cure me of that habit. Cough. Sputter.I would like to say that this was someone else but unfortunately, it was me.
We had done dive one of the day and had headed in closer to shore for our surface interval. We were anchored over a large beach of white sand about 5-6' deep. I was looking out over the side of the boat and noticed a starfish. There was plenty of light and the water was calm so I decided I would like to snap a quick pic or 2 of the starfish. I grabbed my mask and jumped in to get the picture. As I was swimming over to the starfish face down in the water I realized I didn't have my snorkel when I went to try to breath. I sheepishly went back over to the boat and asked for the ladder so I could climb back in. I had become accustomed to having a regulator in my mouth and had taken in a little water and coughed a couple of times. One of the other divers on the boat asked me if I forgot I needed some other equipment. I quietly answered and embarrassed yes. We all had a good laugh about it with one of the others admitting to having done the same thing themselves. You can't inhale saltwater very well.
..snip..
As I was swimming over to the starfish face down in the water I realized I didn't have my snorkel when I went to try to breath. I sheepishly went back over to the boat and asked for the ladder so I could climb back in. I had become accustomed to having a regulator in my mouth and had taken in a little water and coughed a couple of times. One of the other divers on the boat asked me if I forgot I needed some other equipment. I quietly answered and embarrassed yes. We all had a good laugh about it with one of the others admitting to having done the same thing themselves. You can't inhale saltwater very well.
I used to breathe through my snorkel at the surface at the beginning of dives while waiting for other folks to get in the water and getting the "OK to descend" signal from the DM. I don't do that any more. It only took once forgetting to switch to my reg to cure me of that habit. Cough. Sputter.