We all make mistakes. But too often, we make the same mistake over and over again because we don't even know we have a problem. In this issue we point out 33 big mistakes that plague your projects – and show you how to avoid them. PLUS: A ruler (yup, a ruler) slashes your sharpening time • A secret weapon to fix your damaged finishes • Classic Shaker tripod table that users a simpler joint for sturdy legs • Join Christopher Schwarz on his journey as he builds a Welsh stick chair • Learn why you need a rasp • Build a $10 table saw tenon jig • Lonnie Bird offers tips for better glue joints • Tune-up your auger bits • Woodworking Essentials continues with everything you need to know about buying, using and maintaining your saw blades • Learn the basic moves to sharpen your set of lathe tools • Test your layout tools • We put the Veritas Low-angle Jack Plane, a new miter gauge from Kreg and an ingenious splitter through our tool test • Tricks of the Trade • Q&A • and much more.