KLS, I wanted the toughest material that was also reasonable price wise. I found that in order for the buzz to be reduced the most the dampening material had to be really tight against the string. There are two layers of fast flight string material around the cat whiskers. They are served on so tight that I need leather gloves with duct tape wrapped around the fingers. I also have the string stretched well beyond normal for the bow so when the string is in the compression of the material is increased. This stuff is pretty tough as well. The cat whiskers I use are the newer thicker stuff and there is three widths of cat whiskers compressed around the string. The whiskers don't come flying off either as some expect.
KLS, that is twenty cents (CDN) for the secret! I take Paypal, LOL!