Es como cuando tocas la flauta dulce y cuando soplas haces RRR con la lengua, que suena la nota como trtrtrtrtrt 
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Alguien escribió:Ibanez Edge Zero
The Ibanez Edge Zero, first installed in the 2008 RG Prestige line and Ibanez E-Gen, has a removable stop-bar/secondary spring, known as Zero Point System (carried over from the Ibanez ZR tremolo), that provides additional spring tension and thus extreme tuning stability; at the cost of a stiffer feel and being unable to 'flutter' or 'gargle' like other fully floating systems. in all marketing material, Ibanez have claimed that due to the ZPS, unlike other locking tremolos, even with a string break, the other strings can still stay in tune at an acceptable level. In actuality, anyone who has owned a ZR tremolo can attest this is not the case.
The difference between Edge Zero and ZR Trems is that ZR trems use ball-bearings for pivots, while the Edge uses the traditional knife edge. Over the course of playing, a knife edge may dull, resulting in declining tuning stability (although it takes a few years for knife edges to dull enough to cause a problem, and they can be sharpened fairly easily).
el caso es que en el momento de pulsar la nota o el acorde tomas la palanca, halas de ella y la sueltas, el rebote que ella produce se transmite al puente como vibracion y produce el flutter.
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