Symmetry Conga Head Drum Fit: What To Expect

Why is the Symmetry conga head not sitting all the way down on my conga drum?

Why is the Symmetry conga head larger than my conga drum?

Please view the following link for a quick video on what to expect when fitting your new Symmetry Conga head on your Conga drum: https://www.youtube.com/watch?v=1CSMDs7fYM4

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