Nanook
Full House
I do not use the knife for this. Instead, I use a little pick which has a bend in it which makes it easy to get under and twist. I twist a little tab up which makes it easy to grab with the pliers. Here are a couple pics for reference:..... I find that when I hit the edge, I need to pivot the edge of the blade up to get a small piece of the laminate to rise so I can grab it with the pliers. At this point, sometimes a small bit of clay comes off the edge with it.
How do you get the laminate up to be able to grab and pull?