E-Mechanism

E Mechanism = A option of flute that help player to play high E easier .

Offset G : Normally this option can have " E mechanism" (usually in student model )

Inline G : Some people misunderstand Inline G can't have E mechanism but Inline G can have E mechanism ( often in very expensive flute) and NEL

NEL : An effective, economical alternative to the split E, this donut-shaped ring inserted into the lower G tonehole improves the response of the flute's high E without adversely affecting other notes