If needs be than you can also lead the spi bridles to the bridle chainplates. This setup is often used on boats that can't have little holes in the bows.



BTW; I know that Kirt just drilled the holes and filled them afterwards in his glass T4.9 nr 159. I looked at it and it looked pretty dependable to me.



I've seen much the same thing on some tornado's here in the Netherlands.



In short, you might want to do with attention to detail BUT it seems that it can be done safely. Otherwise you have the option to run the lines to your bridle chainplates.



Wouter