[header] How to finish live edge slabs [title] Purchase the slab from a store if you want to minimize your work. [step] You can find pre-cut and pre-dried slabs in lumber stores and stores that specialize in woodworking supplies. Online stores are a great place to purchase unique slabs made from rare varieties of wood as well. 
Look for slabs that are at least 2 inches (5.1 cm) thick. [substeps] You can cut the slab from a piece of felled lumber, or have a lumber mill do it for you.