This round opening gives the player a much better control. When I play the sound goes away from me. I only can hear what a beautiful sound my guitar has when someone else plays it and I sit facing him. And every time I'm surprised again how silky and clear the sound is.Sticky-backed sandpaper is attached to the ukulele upper bought, and a wooden ring rubbed against the sandpaper until it fits the profile of the ukulele body. The sandpaper is removed, and the outline of the wood oval is traced onto the body. Once the shape is carefully cut out of the body, the oval ring is glued in place and sanded to the profile of the body, becoming both a decorative and reinforcing ring for a sound port. That will all make more sense when you see the follow-up image.
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Okay, Steve, in addition to really liking this photograph - I also have to ask you - where does one acquire a periodic table of elements mask identical to yours? It has to be one of (if not the) coolest pandemic artifacts I have probably ever seen.