What do you use to cut the skull cap off of your elk? Assume you are backpacking so weight is a consideration. I used a Gerber last year that I typically use for cutting wood and it got so gummed up with bone in the blade teeth that I didn't get far. And you can't just knock that stuff out of the teeth easily apparently. I ended up cutting the head off and walking it out. I see plenty of videos with guys packing elk out with just the skull cap so what are you using?