The Original Bech Magnetic Cello Mute

Be aware, does not work well if you have fine tuners on the a and d - the magnet is in the middle of the mute, so the tuners will get in the way. I am not willing to remove my tuners, so at this point, I just have a regular mute. So far, it has not rattled, which is why I wanted a new mute anyway, so that is a plus. But I am not using it as intended.