Since the Kettlestack adjustable kettlebell design uses standard weight plates the final shape is up to you. From our experience people read through this page with too many preconceptions and often too quickly to "get" the point. So please slow down and go through the whole page and get back to us with any questions. Here is a picture of a setup when the plates are concentric (NO tweaking) Kettlestack without shape tweaking (side view) If you don't have 7.5lb plates AND you are not tweaking the plates, then the transition between the 5 & 10 lb plates might be abrupt enough to present an edge. The bottom line is to FILL IN THE GAP so the forearm sees a smooth transition. Here's another (oblique) view. Kettlestack without shape tweaking Now below is a picture that shows the tweaking shifts as yellow and red arrows; The 5 lb (yellow plate) is moved up and the outermost 10lb (red) plates are moved down to effect a smoother transition. Kettlestack with shape tweaking a

These tweaking steps are actually easier to do than to describe; In fact, they're automatic if you use a 6" bowl you can get at the hardware store for $3 .... Image and follow the steps in this video