Reddiwhip and the like are crap. Protip: Get yourself one of these! All the fun of squirting whip cream out of a bottle but you get real cream and it looks fancier*
*^becomes ^harder ^to ^fool ^people ^when ^you're ^squirting ^cream ^directly ^into ^your ^mouth
One of the whip cream containers is missing the CO2 canister holder so it looks like this ATM and another is missing the white ring that goes inside the cap top
They use something like this to make the whipped cream.