The shuttlecock humidifier is an inexpensive way to keep shuttlecocks at optimal
humidity. ($5!)
Research:
* Wilson Patent: https://patents.google.com/patent/US7591369 - ~50% Relative
Humiditiy (RH)
* More Wilson Patents: https://encrypted.google.com/patents/US7591369
* Ashville Badminton Club:
https://ashevillebadmintonclub.org/wp-content/uploads/Proper-Shuttlecock-Moisture-Levels.pdf
~60-70% RH
How