Any of my fellow drum geeks know the years that Slingerland used the 2 inch reinforcing rings, and what years they changed to the smaller sizes. I believe they went from just under 2 inch, to just under 1 1/2 inch, to the current. Any help would be appreciated, also wondering what years that they wrapped the toms and tucked the wrapping under one of the plys of wood and what year they stopped doing that.
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