Pesachim 100b - It's all in the Presentation

This episode traversing medieval greats like the Rashbam, the Mordechai and the Rosh as well as the 8th century Rav Achai Gaon, explores the reasons for covering the Challot during Kiddush on Friday nights and Shabbat. Packaging and presentation adds to the drama of the moment and is a tool the Torah uses frequently.