If your a do it yourself kind of archer here is an inexpensive "How To" DVD. This DVD will show you some quick and easy tricks to build your own sharpening blocks from regular 2x4 lumber. You will learn how to cut accurate angles on any table saw. You will learn how to flatten your lumber using only a table saw. Flat enough to give you perfect glue lines for your laminated blocks. You will learn how to cut hardened files down to any length you desire. Learn how to attach your stones/files to the blocks. Learn how to make your blocks with a bleeder slot down the center for fixed bleeder broadheads. This is the DVD your looking for if you want to make accurate sharpening blocks in any angle.