Originally Posted by FBinNY
the plow tipo is a toe-in aid, and wears off fairly quickly, though it can cause some added squeal when new. You can do without and use a dime or piece of cardboard as a toe-in guide instead.
Surely the dime will fall off when you brake?
Sorry.
Thanks for the comments everyone. I have a set of Dura 2 in hand, having previously used Dura and was trying to decide whether it was worth the hassle of swapping them. Seems the consensus is that the plow tip is no great benefit.