use double sided sticky tape, its what i used on my proto axis when i had them, no chance of burning your eyes out, just might pull out ya nose hairs cause we know they long enough alan haha
Darkstranger - I noticed you live in reading, where about's to you train/play? Play for? (i live in reading too, and have often pondered where you could play)
back on topic, you could just buy a new frame for the I3's, i don't think they are too dear.