Theres an old article in primitive archer with a sleeve system very close to this that I'm sure you could incorperate.
Basically you'll pin them than wrap with fiberglass epoxy, one side needs a release agent. the other side is permanent. You'll also need to make sure your pin doesnt get epoxied in.
You can also do it with sinew and hide glue but realize its not water proof.
Todd video'd a fella doing this very thing on you tube, I'll try and dig the video up.... Same thing as widow is doing though he took it into much more detail than has been posted before.