I've been playing brass instruments since I was 10 and taught myself the F horn when I was in high school, but have never figured out why they don't have a spit valve stuck on it! (Even my bari sax has a spit valve at the bottom of the crook!) I recently finished paying off a Con 6D and am loving it, but I'm frustrated that it collects spit so fast and starts making that noise—you know, the gurgle of death.
Are there FAQs I should look at before I ask questions like this? If this gets asked regularly I'd be happy to look at the main archive.