The folks over at [WayOutWest] were building a fence and needed a way to cut a bunch of mortises in 4×4 inch posts to accept 2×6 inch rails. Although they had a chainsaw, trying to cut a mortise ...
He had his chainsaw and shared an excellent technique for an easier cut. After cutting down a tree, letting it dry for a season, and then hauling it to your saw site, you’re ready to cut.