IronMind The StackerThe Stacker, a retro and seemingly innocent grip device, first introduced in IronMind's 1992 catalog, is back in action. This plate loading grip wrist forearm challenger allows you to simulate Hermann Goerner's brick lifts: with multiple bricks stacked crosswise on the bottom brick, he'd grab the free end with his thumb on top and fingers underneath and lift the whole pile of bricks. Edgar Mueller, Goerner's biographer, estimated the total weight of