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The ice training material developed by NASA at the Glenn Research Center in Cleveland is also available on CD-ROM & DVD. I believe Sporty's has them for about ten bucks, the pair. As for ice bridging, they are emphatic that it does not occur but do concede that earlier boot inflation may leave more residual ice than if a thicker accumulation is broken off. They argue that flight with a small amount of residual ice between cycles is less dangerous than risking a loss of control by allowing more ice to form. The discussion on the recovery techniques of a wing stall vs. a tailplane stall is alone worth the price and will certainly have you thinking about an instrument approach in low conditions to a slippery runway while carrying any ice.
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