פַּעֲמֹ֤ן זָהָב֙ וְרִמּ֔וֹן פַּֽעֲמֹ֥ן זָהָ֖ב וְרִמּ֑וֹן עַל־שׁוּלֵ֥י הַמְּעִ֖יל סָבִֽיב׃
a golden bell and a pomegranate, a golden bell and a pomegranate, upon the skirts of the robe round about.
Read kabbalistic (mystical) interpretation of Exodus 28:34: and classical mystical sources.