Sorry if this has been asked and answered many times but I couldn't find it if it had been. I used and carried the old original Leatherman for 20+ years and it is still great; finally decided I wanted the locking features so have a Wave which I carry and use regularly, nice piece but the Phillips tends to pop out on it's own; mostly it is just a little annoying and not an issue but it ended up out and locked the other day when I was using the pliers a lot. I note the star/torks looking screws but none of my bits seem to fit; the dimple in the middle gets in the way. Guess I'm a doofus but can someone set me straight on how to remedy the problem? Thanks