At first, it looked like just another piece of glass

The video likely worked due to the element of surprise and the satisfying reveal of a valuable item (heavy crystal) from an unexpected place (a box of kitchenware). The use of close-ups and the on-screen text built intrigue.

The video shows a person in blue gloves examining a piece of glass found in a box of kitchenware. The text on screen reveals that it was initially mistaken for ordinary glass but was actually heavy crystal. The video ends with a snippet of a song.