What is Birkenstock?? Why is the Birkenstocks Arizona SO Popular? (part 1)
https://www.youtube.com/watch?v=9Q8RZPiLjvQ Sign up to Milanote for free with no time-limit: https://milanote.com/futureproof We're about to discover how exactly Birkenstocks managed to create a shoe style so synonymous with its brand name…