Like the Super Twang, the KD has its roots in hull surfing. The template first came about when Zac, a friend of Bryce’s, asked him to modify Larry Allison’s stock Greg Liddle template by making the base even wider. The KD (named after the initials of Bryce and Zac's respective last names) has a wide base that gives it more hold, and as a result, the ability to put even more into turns. Simultaneously, the narrow tip enables the KD to really spring out of turns and quickly offload pressure on the fin. Finally, the wide base enables surfers to ride a smaller fin, even in boards with wider tails, for additional control.
Bryce recommends the The KD for hulls, eggs / mid lengths and speed shapes. It’s a reliable and sensitive fin for people looking for precise surfing.