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"The New Duke PT is much like the CAST system, as parts of the toe piece are removable and stowable in your backpack for the uphill tour. The brakes lock down, and also much like the CAST system, the heel piece is far enough back to be out of the way for touring. There is only one climbing bail (vs. 2 on CAST, and 1 Shift). But overall looks like it's a unique new system that will continue to change the game in freeride skiing."