We did this once at an old box with 2 plyo boxes stacked on top of each other. We then used a some ankle straps and hooked the plates up to that. An abmat was used at our hips to cut down on the box and cutting into Js.
From there we kept the legs straight and did it. Was a workout that, as had been mentioned, hit a lot of areas differently on each person. Our weak links are all different