It seems like they would make sense, fish have a tail for locomotion and pectoral fins for precision maneuvers. I've been in a position where I had to use my hands.
On a guided dive when the divemaster is pointing something out everyone is crowded around for a look. When you finish looking you can't be moving your fins around with out kicking someone in the head. Hand finning works to back out and away. I think it would be a great product for people who do a lot of guided dives, where there is a crowd around some unsuspecting toad fish.
Dennis makes a very interesting point. I tried the gloves today for the second time, on two dives of a 3-tank trip.
I am a diver who never uses her arms except for holding a camera, catching a lobster, doing a safety stop on a line in a very heavy current, or getting back on the dive boat. My usual hand position if not carrying camera or ticklestick/net is behind my back under my tank. I've dived like this for decades, it makes me streamlined and I can swim like a bat out of hell u/w (ask for references from buddies who can't keep up!!!)
Today I tried them and yes...as Dennis says they help with MICRO movements. "Precision maneuvers." I could still dive as well as I do today if my arms were removed (OW OW OW) but I was able to make awesome micro movements with these gloves.
I think everyone is assuming that Darkfin SCUBA diving users are swimming with them, but I actually found they hindered my swimming (like I said, I am a bat out of hell u/w with my hands under my tank and no, you can't keep up!) but for micro movements they were awesome. I did three drift dives today with a group, using Darkfins for the first two and my lobstering gloves for the third.
I was able to catch the only lobster I saw today with ease with the Darkfins, and the gloves gave me plenty of protection from lobster spines. I was able to manipulate tickle stick and net, then measuring device, then bag him with no trouble.
But back to micro movements. A few times the other divers were clustered around something really cool and when I went to make my small fin movements for maneuvering, I could feel that someone was behind me right on my fins, maybe their face. I had my Darkfin gloved hands down around my stomach area, very close to my waist, and I was able to make TINY movements to get myself away from the divers who were near my fins. I stirred up no sand or silt and frightened no fish life. It was astoundingly easy. YES I have backed away from divers for decades without using these gloves and without kicking them in the face, BUT the gloves made it easier.
For the third dive, I was back to my lobstering gloves and yes, I can maneuver instinctively in the water without my hands (30 years of experience) but I missed being able to make those TINY hand movements with the Darkfin gloves. It takes the tiniest easy flick of the wrist to move. Effortless. With the gloved hand right at my belly button.
I'm going out on a friend's private boat tomorrow and I'm going to try them again. I usually solo dive from her boat and I'll see what solo diving applications they may have. In particular, I want to see how they may help if I have trouble catching a lobster that swims away quickly.
If anyone here has TRIED the gloves and hates them, I applaud them for their honesty. For those who have NOT tried the gloves and continue to nay-say, I ask once again...why on earth do you continue to post in here?