You can cut a hinge mortise with hand tools or a power tool. The hand-tool method requires just a utility knife, a hammer (or mallet) and a sharp wood chisel. The power-tool method uses a router and hinge mortising jig. The jig is clamped to the door and guides the router through ...
I usually use the jigsaw for solid wood cuts and rough cuts at that. No need for the guard. In this case, it was just a jig so again, no real need for it. Of course every cut benefits from the splinter guard but unless it is truly necessary, I usually don’t put them in. Repl...