I attached my 3200 pro onto a SG Krux frame last spring. I think the bottom bulged on the kuiu because of the width of the two bottom SG straps. I was using a combo of 1” kuiu quick clips and 1” G hooks to hook the two together with compressions. It would have worked but I decided to sell the Krux approach combo I had and wait for an Xcurve 5100 or 5900
Any photos of this setup?