I made a guide to installing Hypersphere silencing rings onto topre sliders. For the video I did the mod to my CM Novatouch TKL. I hope it's helpful to some folks! I had a lot of fun making it. Let me know if you have any questions.
Here is where I got the silencing rings:
http://www.ebay.com/usr/hypersphere2016?_trksid=p2047675.l2559Thanks!