There are a number of electrically activated CS props. Some of these will feather, and some will go negative, so you can reverse!
Well Rod1, I did say "all the ones I have flown" which may not be grammatically correct but I think was clear enough.......
Just out of interest, what types/ engines are the electric CS props fitted to and what is the mechanism? I have seen a thrush reversing off the pumps, looked like fun but I'm not sure the view was that good