Belif fin system, anyone heard of it?

[deathfrog]

anyone know anything about the belif fin system (I think thats waht its called...)?

It consists of two shallow long fins on the sides, and a big fin in the middle, then double concave between the fins. Anyone know about this?

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[deathfrog]

anyone?

[namino tsume]

nope, never heard about it.