The parts of the flute Head joint Main tube A key C key B♭Key Lip plate Foot joint G# key (for E mechanism) G key F# key G# lever Head screw D trill key D# trill key B key Briccialdi key G# key F key Ice lever (A#) E mechanism arm Reverse side F# connection plate E key Dキイ D# key C# key Roller key D trill lever D# trill lever D# lever Low C key