One of these possibly?? RUIXIN PRO Professional Knife Sharpener Kitchen
Have one of these and its a good start:
https://www.knifecenter.com/item/SMI...rpening-System
Gatco or Lansky systems not bad if a bit dated.
Spyderco Sharpmaker, another great one.
Anything from DMT, Red or finer grits are all fine.

Pull systems are rubbish.

Here is my collection, well what I use most:
http://i820.photobucket.com/albums/z...E/IMGP9137.jpg