EXTRA side-ring · Parashas Va’eschanan · Passuk 4:11
Midrash: the mountain was uprooted and held over them (Shabbos 88a parallel).
English: He held the mountain over them like a cask.
Aggadah — coerced acceptance at Sinai and its later free re-acceptance.
The revelation was accompanied by an overwhelming divine initiative; later generations re-accepted freely.