Foam pipe insulation.
Cut into 2 to 3 inch long pieces.
Slit down the side allows you to easily place on cables at any location.
I use them to provide physical separation between wires crossing each other but they could easily serve as cable elevators and likely provide a damping benefit too.
https://www.walmart.com/ip/Thermwell-Products-P12-4-Pack-3-Ft-Foam-Pre-Slit-Pipe-Insulation/47653574?wmlspartner=wlpa&selectedSellerId=1148&adid=22222222227034937320&wl0=&wl1=g&wl2=c&wl3=75438735274&wl4=pla-175422721474&wl5=9017277&wl6=&wl7=&wl8=&wl9=pla&wl10=112562587&wl11=online&wl12=47653574&veh=sem&gclid=EAIaIQobChMI3Pm_n_Xg4wIVC5-fCh0_lgUsEAQYHSABEgKs8vD_BwE
Cut into 2 to 3 inch long pieces.
Slit down the side allows you to easily place on cables at any location.
I use them to provide physical separation between wires crossing each other but they could easily serve as cable elevators and likely provide a damping benefit too.
https://www.walmart.com/ip/Thermwell-Products-P12-4-Pack-3-Ft-Foam-Pre-Slit-Pipe-Insulation/47653574?wmlspartner=wlpa&selectedSellerId=1148&adid=22222222227034937320&wl0=&wl1=g&wl2=c&wl3=75438735274&wl4=pla-175422721474&wl5=9017277&wl6=&wl7=&wl8=&wl9=pla&wl10=112562587&wl11=online&wl12=47653574&veh=sem&gclid=EAIaIQobChMI3Pm_n_Xg4wIVC5-fCh0_lgUsEAQYHSABEgKs8vD_BwE