They have names aplenty: knuckle booms, grapple booms, grapple saws, grapple cranes, truck-mounted knuckle booms and knuckle-boom grapple saws, among others. We’ll refer to them as “grapple saws” for this article. Whatever you call them, when you conjure an image of one, what’s the first thing that comes to mind? An ogre-sized piece of machinery […]