I have independently talked with Ted and now know that he really means that he does not like ceramic insulators, such as I am using as they resonate. Wood may work best on his cords
Long ago I did extensive tests of maple, walnut, pine, glass, special foam such as used in shipping memory chips, ceramic coffee cups, cardboard, chop sticks, and support on strings. This was with no Synergistic Research cords or cables. I greatly preferred the ceramics. I will be trying the SRs soon with some of the above, but I am from Missouri, so I have to be shown.