Using a cream charger is simple: fill your dispenser with heavy cream, attach the charger

https://23554.b-cdn.net/melbourne/what-makes-a-great-nang-charger-key-features-to-think-about-before-purchasing.html

Using a cream charger is simple: fill your dispenser with heavy cream, attach the charger, and give it a few shakes for perfectly whipped results in seconds.