Woodworking is an invaluable craft that some practice to create furniture and artwork, but most master to safeguard themselves against evil hordes of marionettes. Puppet-proof your workshop with today's Groupon: for $20, you get $40 worth of woodworking projects and supplies at Woodcraft of Nashville in Franklin.

Woodcraft of Nashville equips craftspeople with quality woodworking equipment and educates students through expert-led classes and seminars. In addition to exploring exotic wood and specialized tool collections, visitors to the woodworking emporium can gather in the library to share tips, figure out who murdered Colonel Mustard, and sip complimentary cups of coffee. Essential tools, including bar clamps ($27.99+) and Titebond II wood glue ($5.99+), keep workshops fully stocked, and MSA safety goggles ($16.99) and hearing protectors ($29.99) help craftsmen evade injuries. Whittling-knife sets by Flexcut ($43.99) flaunt hand-conforming ash handles and tempered spring steel blades, and a full bouquet of sharpening stones and tools maintain razor-sharp, honed blades. Woodworkers can also adopt toolboxes and organizers ($9.99) to ensure that their favorite hammers will be on hand during spontaneous roof-raising projects or whac-a-mole tournaments.