strangs sound with prepared guitar

I've explored a very nice sound, I get from a guitar string, prepared with modeling-clay.
What I'm interested in:
Could someone explain, what's happening there?
Obviously, it's an inharmonic sound.
But how does the modeling-clay influence the partials of the string?

AttachmentSize
modeling_clay_guitar_E.mp3223.63 KB
buy zithromax avanafil viagra uk pharmacy uk buy viagra uk Canadian pharmacy z pack generic viagra cialis uk z-pak cialis online cheap generic viagra zpak Canadian pharmacy viagra generic cialis z pak staxyn ed drugs kamagra uk viagra online z-pack ed pills zpack