First of all, it is important to know where your IAS should be. Or easier; where it shouldn't be; the answer is your secondary claw. This goes for claws only, it is no problem if you happen to use a shield with IAS on it.
You can look up the required amount of IAS in the following table. To do so, you must know the base speed of your weapon. You can find these base speeds on the Arreat Summit. Base speeds are listed between brackets; [x]
