I have caught some rainbow and lake trout over the weekend and have used my new KastKing Fillet knife to clean the fish. The knife was sharp and super comfortable and with all the slime, guts and blood, the knife didn't slip out of my hand with the WINN Grips that are part of the handle.
Check out the video review:
Here is the Amazon link to the knives:
https://amzn.to/2QsSayd