Place your earphones as shown in (1) [there will be a gap between two muscles of your ears. Place the earphone shown in the diagram between the gap.
Now place your fingers on the position marked as (2) and push it till it reaches the head of earphones.
Note:- 1)can be done only with earphones, not with headphones.
2)The sound of the music increases by 6x. Dont forget to turn down ur volume to the lowest, before doing it.
3) Along with base and treble, other background sounds/music can be heard a little clear then early, u also might feel like the main music/lyrics/song/sound has been pressed down.