very on off.....
2 times in the end I couldn't go fast....why.... well a line of seaweed was locked between my fin and board in the tutlebox !!
and it wouldn't go off !! When i stopped and removed my fin, there was still a piece in the box !
Sailed most op the time with the mXr UFO 35 g11 version, very nice fin !!
The gryphon is still in testing, but it is getting better every time !