These paddles received great reviews, and testers felt a high elbow from the catch through the pull to the finish on the stroke. ... In addition to being a great technique aid, the VoloBlades are good for developing strength and endurance, and testers felt as though their deltoids and lats had received an extra workout - something they hadn't experienced with standard hand paddles. (Swimmer Magazine, Jan 2015)
Read full review (pdf).