Haha I do that sometimes with my streetstyle Sonys (I really need to get to radioshack to get those KSCs..)
It actually helps with the Sonys. Bass appears out of nowhere and they start sounding like real headphones.
Originally Posted by kramer5150 No Way.... makes grados sound like cats in heat. Sometimes I do it with my KSC75 for that DT770 effect.
I find that just pushing on the buttons in the centre of the earpieces with my fingers does improve the sound of my SR60's a bit, without all the horrible horrible side effects of completely covering the backs.