Looks like this is the future of fins. Danny ching model now comes tooless. It really is a smart idea. fCS have come up with. Im sure the other brands will have something of the like out soon too.

Awesome fin.
Im planning on putting it in my log noserider to help slow the board down

we are running these in our DW boards over here in the west so good and the best for board stacks sorry round the wrong way but you get the idea yew