In เสึ Lyon, came out with different characteristics, depending on the position of the sound by sound processing, this is caused by air will be planted by the Strait caused by Korn.
Variation in Esึ just give out a different way depending on the location of the sound by varying the sound of air being trapped by strait caused by the device.
In the processing of เสึ Yong to have different characteristics depending on the position of the process by the variable sound is caused by air is trapped by the channel caused by the equipment.