||Ivory ring Bb bell, Metal-ring Low A bell.
Low A key for left thumb and left pinky.
Low C#-D# trill, extra low C# hole and key, rollers on thumb C/D, pinky C#/D#
Low E-F linkage (permanent), Ab-Bb trill (extra hole - no extra touch).
Thumb whisper key touch, whisper key lock (forefinger).
G# ring mechanism (forefinger), Eb trill touch (forefinger, hole on wing joint).
Relocated alt C# touch (very short, under forefinger), rollers on thumb F#; pinky F, F#, Ab; ring finger G.
Hole for balance hangar.
Eb trill (between II and III, extra touch on boot, pinky whisper touch (inboard of all other keys), high D, high E