Originally Posted by GRUNTERSDAD
That is a tuning key and I am not sure why Gretsch ever stopped using the feature.
I still use the key holder on my classic Gretsch snare. I love it! So handy! Of course, The idea was so good that they had to stop putting the key holder on the snares. That's "Progress" for ya!
I wish that I was at that meeting of corporate rocket scientist! LOL!