The curve and handle is actually really good to help mix things up and grip easily. The control button is perfect to change settings on the fly. One of the best features is the warming setting, it doesn't get to hot but really makes things feel great. The only thing I didn't enjoy was I bottomed it out so on the level one setting it would stop and get stuck. If I moved it to a higher setting it would just work it's way through the motion. You just need to hold it upright and not let it bottom out. The 4 various settings help you find the "just right for you" mode. Battery seems good, hasn't died on me yet at all. Great value for the cost.