Air sound to tongue-rams
With adding flutter-tonguing - 0:00:37 - 0:00:45
Combine glissandi with flutter-tonguing (lips, demi-valves or slides)
Multiphonics with flutter-tonguing
To oscillate between split tones and natural sounds : Saunders or Neuwirth - 0:02:03 - 0:02:08
To add a mute, or a sheet of aluminium, or a CD
To vary the pitch of the air sounds while selecting the valves : Yan Maresz
No really limits : repertoire always open