Three Fins in one single Fin?!

homies
.. found this three fins in one shaped single fin in the end of this video AT 9:17 / 10:02
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Does anyone know manufacturers of these and what effect it might have on surfing?
.. found this three fins in one shaped single fin in the end of this video AT 9:17 / 10:02
->
Does anyone know manufacturers of these and what effect it might have on surfing?