I have to agree with the other comments, this could be a nice mechanic, right now it feels uncomplete as a concept though.
At the beginning you have to rotate the hammer manually, which is quite tricky, and after that you have to use the mouse and completly discard the earlier mechanic.
Maybe it could be adjusted, so the hammer has more momentum on its own, so you have to make one or two rotations at the beginning and then it would from that alone continue spinning on its own for multiple turns without you moving. You can use that time to properly navigate in the level. But then after some time you need to increase the moemtum again with some timed moves to the left and right (like you can do currently). The mouse would not be used.