One way to do it is to dash into the ice clone and cancel the dash with block at the moment of contact. Its a little tricky at first but once you get the hang of it its not hard.
Really ^? That's interesting have to try that out but I tried the dash/cancel into block to break it last weekend, it does work indeed. Be sure to cancel into block though lol
Someone that has a testing partner should experiment with reading the dash block and punishing it with a slide/sweep or overhead for the crouch block, if the overhead can punish it that could be significant.