These are definitely 1 or 2 minor slots at the bottom of the casing that should be open up instead of blocked, to allow air to enter the system when inhaling. Strong magnetic connectors for effortless pod swap-skill Store Podpens No buttons to fuss with, toxins to wreck your vibe, https://turn-disposables-real93456.therainblog.com/28561041/pods-turn-things-to-know-before-you-buy