RDT Glass Spray Bottle (2oz)

The Ross Droplet Technique, also know as RDT, is the process of spraying small droplets of water to the coffee beans prior to grinding in order to reduce static-loaded coffee grinds and grind retention when single-dose grinding.

Have a look at this article for more details on the benefits of using a WDT tool:

https://blog.espressounplugged.com/2015/10/14/using-the-ross-droplet-technique-for-coffee-grinder-static/