While isometric strength training has been around for ages, Dragon Door's Isochain device is certainly brand new. There's only a few hundred of them out in the wild at the moment (the first round of preorders ... people who believed in the project enough to sign on as early as LAST October ... shipped out semi-recently). And while yes, it looks like the stick and board that … [Read more...] about Weaving ISOCHAIN Isometric Strength Training Into A Kettlebell Workout