Odd Exercise

Ever See Anything Like This At Your Gym? [VIDEO]
Ever See Anything Like This At Your Gym? [VIDEO]
Ever See Anything Like This At Your Gym? [VIDEO]
I've seen a lot of weird work out moves at my gym but this one tops it.  Not sure if this a swimming exercise or a sex move strengthening exercise but it is really odd.  Ever see anything like this at your Gym?