John John Florence Vapor Core Scimitar Thruster (M)Futures John John Florence Vapor Core Scimitar Thruster (M) The John John Florence Signature Scimitar thruster in Vapor Core construction is designed for performance surfing in small waves. John rides this fin when he needs to generate speed when the waves are small and lack power. These fins feature a full Vector foil, helping enhance lift and generate speed. The Scimitar Tip is represented by the cut off portion of the fin, tailoring the grip