Toddler-Friendly Lock Nut for Kazoo
Description
I really like the [Kazoo by PistonPin](https://www.thingiverse.com/thing:3114202) and I printed it for my 2 yo daughter, so she can "play" something. That worked out really well, besides 2 issues: 1. As my daughter discovered that the lock nut can be turned, she started to unscrew it and as the result, the kazoo was not working. 2. She was inserting her finger into the hole and ruining the membrane. This design has a **shorter thread** length, so you can tighten it completely to prevent unscrewing. Also, there is a **gate** on the top of the nut to prevent insertion of foreign objects into the hole. I hope that this helps :)
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