Whipped cream chargers, also known as nitrous oxide canisters
https://weekly-wiki.win/index.php/A_Novice%27s_Toolkit:_Necessary_Devices_for_Using_N2O_Cream_Chargers
Whipped cream chargers, also known as nitrous oxide canisters, are essential for creating fluffy whipped cream quickly and easily. With a simple press, they release gas that transforms heavy cream into a light, airy topping perfect for desserts