Clip on electric/acoustic guitar tuner.

[JimN]

So those things clipped onto headstocks are not rear-view mirrors?

I thought they were for keeping an eye on the drummer.

JN

[MdL]

No Jim, they are clip-on weights to increase sustain....
That is the secret of the great sound of the UB Hank Band!
...at least that was written in the German Fanmagazine Reflections a couple of years ago
I had to write in and set the record straight that we used the Intellitouch PT1's

cheers,
Martin