User blog comment:Neowitch/656 - Samurai Buggy/@comment-4754162-20120210014111/@comment-1595565-20120210025153

A secondary ability of the Suna Suna no Mi is to absorb moisture. The Gomu Gomu no Mi isn't the Gear 2 Fruit now, is it? A lot of Devil Fruits have secondary abilities that don't have anything to do with their name.