This is a quick review of the Elk Ridge ER-556 folding Knife. This is a very well built knife for the money.
Author: Hoosier Sasquatch
Nice video, dad!
To solve your knife opening problem using the flipper get some nano oil 10 weight and put a few small droplets on the pivot pin. You might want to loosen the pivot pin just a touch and try to get it at the right point to where it will open smoothly.