My theory on the ceramic is the insulating properties, not the vibration for the cable suspenders. In most cables, (other than air insulated), the wire is fixed pretty tight in the cable. You can check this by tapping the cable lightly with the system at a high volume level. If you hear nothing, then chances are the vibration isn't affecting the cable. In addition, one of the things that I don't like about most cables I have heard that are sensitive to vibration is the fact that the higher sound levels tend to modulate them -- no way to get away from that if your cable is in the same room as your sound... The ceramic will insulate the charges that your carpet / flooring inherently has, suspending speaker cables so they don't have to travel on the floor. I have never figured out a way to manage interconnect cables with ceramic -- I let them hang well away from each other in air.
If others have comments regarding my understanding -- bring them on!!
If others have comments regarding my understanding -- bring them on!!