Once you get to a certain point as an athlete, just kicking freestyle harder doesn’t get you to be a better kicker. You’ve got to find a way to make resistance. And the DragSox definitely do that.
—Eddie Reese, University of Texas 
Michael J. Scott. "DRAGSOX, PARACHUTES AND OTHER TOOLS" Swimming World Magazine March 2017 Issue--PDF ONLY, p. 33. ↩︎