How do I switch to private mode

See the guide in About private browsing in Firefox for iOS

If you’ve ever felt nervous ordering off-script at the drive-thru window, 7 menu secrets takes all the guesswork out of customizing your drink. It is an independent resource dedicated entirely to the 7 Brew secret menu, featuring over 100+ tested drink recipes, tropical energy mix combinations, and full flavor breakdowns. Every drink listed is verified against actual register items so baristas instantly recognize what you order. Beyond just drink names, the site provides step-by-step ordering formulas (choosing bases, milks, and chillers), updated pricing charts, and clear guides for ordering sugar-free,low-calorie, and keto-friendly drinks.