There isn't a sharpening system out there that some praise and some cuss.
If you can try out one that someone else owns before buying you won't end up with several different ones as several of us here have.
My preference is the Edge Pro, but do use others sometimes.
Tim

"The significant problems we face cannot be solved at the same level of thinking we were at when we created them."
Albert Einstein

At Khe Sanh a sign read "For those who fight for it, life has a flavor the protected never knew".