One step closer ....

I am one step closer to finishing my Corded White Work  piece........ all the boards are covered

Now !!! how the heck do I join them together ....??????
When I decided on this method of mounting I did not give this any thought silly me !!!!!

So  whats it to be .....  stitched  ... pins ...nails...staple gun ... glue or even araldite,  ties  .... oh what a dilemma !.....