A lot of them work...
but don't work for some that don't like expandibles; or don't like fixed blades; or can't shoot arrows straight.
Use comes down to how cheap you are and if you notice how expensive three little broadheads really are. That's a cure for some in not finding the best of the best. I'm only worried about if the three I bought - work.
That electronic cash register can sure add up on broadheads.