This may irritate some. Years back when the first mechanicals were all the rage among compound shooters, two newly guys both lost deer that were hit with them on carbon arrows. They were told that normal heads would not work because of the speed of compound arrows. They told me about the lost deer, they felt bad about it. They saw my arrows, then they went and got 6 140 grain Hills each. Back then Craig had the pamphlet on how to sharpen them. Basically, just get the edge sort of sharp, and then reverse the head and file and at about a 45 degree angle forcefully drag a serration into the edge with one stroke. That's pretty much it. Later in the season they both shot deer, one deer went down in sight and the other ran into the remaining unpicked corn leaving an easy to follow blood trail, before it went down in about 120 yards. They thought that they discovered a super secret and this being the first year that they bowhunted. The next summer they figured that if the Hill broad heads were that good, the bows must be good as well. They came over and showed me their stuff, I thought that I was going to have a couple of new longbow friends. Not to be, they got good at it very quickly, saw brighter horizons and moved to better hunting country. We read lots of stuff how to get heads sharp, shaving, hair popping, all kinds of edge configurations, I like serrated edges myself and go quite a bit past the simple directions in the Craig Ekin pamphlet, but those two newbies found that those simple directions were all they needed.