So after every gig, I open my case when I get home and allow the horn to air out. I'm hoping that the air can circulate through the horn instead of the horn being closed up in the case for possibly days. Most of the pads are near openings, however; should I drill a fairly large hole in my end cap so the air can circulate around the palm keys? I could seeing those pads not being able to dry out as well as the other pads because of their location on the horn. Somewhere, I've seen end plugs that are hollow. Drilling a large hole should still allow it to function as protection for the octave mechanism. Or am I overthinking and just wasting time?????