Oh wow, so this is an old thing around here about synthetic carpets somehow affecting the signal in the copper because they were the same material as the plastic insulation on the wire? Also not at all how electricity works. The damn wrap has nothing to do with anything!
https://forum.audiogon.com/discussions/can-anyone-explain-cable-risers
https://forum.audiogon.com/discussions/can-anyone-explain-cable-risers