I was just scrolling through Facebook and saw some guy in my area giving free estimates for tree service. So being curious I checked out the pictures and I came across this one and thought to myself I'm no pro but something looks wrong. I was pretty sure that cutting the back cut at a angle like that was not correct. I know on the 10 dollar wedge I bought a while ago it gave cutting instructions and no where did it say to cut down at an angle and drive a wedge into it. Not that I'd hire this guy but had he left this pic out I might have had a different opinion. Thoughts?