I just got a new SMH10-A0304 clamp kit. It has a piece that was not in my original kit. It's about the size of a dime and looks sort of like a knob cover or something. Round, with 4 fingers.
What is it and what's it for?
http://i227.photobucket.com/albums/dd186/stuartv/Sena%20SMH10/IMAG0053.jpg
http://i227.photobucket.com/albums/dd186/stuartv/Sena%20SMH10/IMAG0054.jpg