I've shot Rage 2 blades for the last 3 years and killed 7 deer with them , no problems, but like what was already stated, its all about shot placement, I solved the problem of them opening up in my quiver by placing the small dental rubber bands around the blades when their closed, doesnt cause any problems, as soon as they hit, the blades cut the bands because they are so thin. They do leave huge holes and have had pass throughs on all the deer, the furthest was at 35 yards.