Dumbbell Skewb are two Skewbs (Holey Skewbs, actually), connected by gears. The mechanism is similar to Dumbbell Cube, and it is also a challenge for intellectual weightlifters.
Watch the Youtube video.
Buy the puzzle at my Shapeways Shop.
Read more at the Twisty Puzzles Forum.
Check out the photos below.
Enjoy!
Oskar