https://www.facebook.com/MerrowFins/...type=3&theater

So they are using the same method which have previously caused some problems with Mertailor products, thoughts of this guys? It looks like, though, that the silicone is cast to go through the holes, which I think wasn't the case f.ex. for the previous basic silicone which caused some problems, I understood it was just glued together through the holes? Looking forward to see how these monos move underwater and what kind of propulsion they have.