Kinstone Fusion

The art of combining two Kinstones, having them match, and forming one complete, round Kinstone. This "full" Kinstone disappears thereafter. However, good luck comes to both the people who fused the two halves. Kinstones appear in The Minish Cap. In The Minish Cap, Kinstone Fusion is the Equivalent of the Trading Game.

Links
List of Kinstone Fusions