15 And the Levites carried the ark of God with the poles on their shoulders, as Moses had commanded in accordance with the word of the LORD.

Read 1 Chronicles 15:15 Using Other Translations

And the children of the Levites bare the ark of God upon their shoulders with the staves thereon, as Moses commanded according to the word of the LORD.
And the Levites carried the ark of God on their shoulders with the poles, as Moses had commanded according to the word of the LORD.
Then the Levites carried the Ark of God on their shoulders with its carrying poles, just as the LORD had instructed Moses.