This article is from the Recreational Figure Skating FAQ, by Karen Bryden with numerous contributions by others.
The K-pick design consists in a set of extra 3-4 picks to the side of
the standard toe-picks. This feature is supposed to provide more
control and better anchorage to the ice on toe-jumps. According to
blade manufactures, the jump height can increase by 5-10% and the jump
length by about 20% on toe loops and flips. No significant
improvements in height and length have been reported for the Lutz,
although the improved stability on the take-off supposedly makes for
more consistent jumps. Many freestyle blades models, particularly at
the high end range, are available with K-picks.
 
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