This rabbi opens mezuzahs every day. You won't believe what things he found there - voila! small businesses.

We asked Rabbi Maimon Shoshan, Sofer Setam, who explained the subject in detail. In it, what does it symbolize, how often should it be replaced, and how is it related to Elon Musk? We met Rabbi Shushan to get to know this intriguing world better, and along the way we gained quite a few insights.