IMB, they arent just turkey heads, I think you might be confusing them with the gobbler getters.
Thes supposedly can flex around bone, but the wires are still sharp enough to slice.
I dont really like the way they look, but I can't say they dont work. They may be the next best thing since sliced bread for all I know.
If you do an internet search and find a guy named "5shot" he does broadhead tests, and Im quite certain he has already tested the atoms.