וַיַּרְכִּ֜בוּ אֶת־אֲר֤וֹן הָֽאֱלֹהִים֙ אֶל־עֲגָלָ֣ה חֲדָשָׁ֔ה וַיִּשָּׂאֻ֔הוּ מִבֵּ֥ית אֲבִינָדָ֖ב אֲשֶׁ֣ר בַּגִּבְעָ֑ה וְעֻזָּ֣א וְאַחְי֗וֹ בְּנֵי֙ אֲבִ֣ינָדָ֔ב נֹהֲגִ֖ים אֶת־הָעֲגָלָ֥ה חֲדָשָֽׁה׃
And they set the ark of God upon a new cart, and brought it out of the house of Abinadab that was in the hill; and Uzzah and Ahio, the sons of Abinadab, drove the new cart.
Read kabbalistic (mystical) interpretation of II Samuel 6:3: and classical mystical sources.