as mentioned b4, i have no issues with getting woodsman broadheads razor sharp.
now, not at all to debate the attributes of twin blades versus multi blades, but since i can get a tri blade 'scary sharp', here's why i prefer 'em ....
of the last 2 hogs i killed, the little one was done in with a tusker concorde twin blade and the much larger hog met its fate with a woodsman.
the concorde put a slit through both sides of the pig, through the both lungs, would have been a pass through if the ground wasn't in the way, and killed it stone dead within 2 minutes. however, the woodsman was a complete pass through, blew a hole through both sides of the hog the size of a quarter, and not in the best of spots - angled gut shot, and maybe got a piece of one lung - but the blood trail was significant and relatively easy to follow.
this is why i prefer multi blade heads - devastating cutting power and big blood tracking drip holes.