Hey guys. I'm having some minor issues with my 3rd valve slide- it comes out VERY easily. This is nice when playing a bunch of low Ds, C#, etc where pulling out helps with tuning. This can present a problem however when your left hand is unavailable (like when using a plunger). How would you recommend dealing with this? I can lip it to put it back in tune, but that changes the tone slightly and makes some stuff harder to play.