If hands are crossed at the table while passing a dish, a wedding will follow. The top hand belongs to the person who will be married.
Pennsylvania.

If hands are crossed at the table while passing a dish, a wedding will follow. The top hand belongs to the person who will be married.
Source: Current Superstitions (1896), entry 392.
Fanny D. Bergen, editor.
Modern normalized navigation; the historical attribution above remains unchanged.