I have a wood dowell rod about 8" long, with a insert glued in one end. This is my handle. I use a file to establish a good edge and then a diamond stone. I use same procedure as I do with my knives, with the file being the exception. In a short time the will shave hair, I know they are ready then..Theoretically you should sharpen in the same direction as you are cutting. Thus, broadheads should be sharpened from the point to the rear. I used this method years ago, however., now I'm not convinced its worth the effort.