Keyframe movement and rotation of the first in about 30 frames. At frame 30 set rotation around 1300, so they will spin couple of times, as they move along the handle.

Then select second locator (one that’s spinning) and go to animation/create motion trail option box. Set options as shown. This will create dots along the movement path of the locator2.

Like this!

Then use cv curve tool to create curve along that path.

Duplicate it, and offset a bit

Then just loft those two curves

Also select them again and duplicate. Now just scale them along two axes (in my case YZ). Then loft pair of outer and inner curves.

Notice, that on the end of the handle you need to cut those surfaces.

Create just one curve and project it to surfaces. Then just use trim tool to chop one side.

So, handle complete

That’s it, for now...