Building Basics is a 20-30 minute routine that you can do to cover a lot of different areas of your technique. If you're an advanced middle school student or a high school student or amateur player, this is a GREAT routine for you.
Foundation Sequencing is a simple guided exercise that focuses on very short lip slurs repeated at different tempi until they are ingrained in your technique. These patterns may be the single best thing you can do for your playing.
Arpeggio Architecture is a Level II arpeggio sequence to help learn more advanced arpeggio patterns. By playing through this daily for a few weeks, your slide control will grow exponentially. About 20 minutes beginning to end.
These are great to do with 2 other trombonists or other low brass players. These will help you learn to play in tune in a section, as well as listen critically and adjust. Also great for recording yourself using the Acapella app, or similar.
A set of exercises to help remove the stutter or freeze up that can occur with playing on command, on cue, with a metronome, or just reliably whenever you want to. These help players of all levels immensely.