I think it's a good idea, and I have been using my own homemade ones for years. Take some PVC pipe, any gauge that fits your cables, and cut it into 4 inch sections. Now, slice those sections in half, and use PVC brush on cement to cement the top of each half circle back to back. They set instantly, and they look good, and are so stable on the floor. I can't swear that it changes the sound for the better, but it keeps them away from dust bunnies, and I have heard that it also keeps them away from static charges on rugs. As one member said, they are also useful for separating power cables that are close to one another. and two of them cradle and lift my power strip.