The first time we tried to bring the chest to Jerusalem, we didn't ask the LORD what he wanted us to do. He was angry at us, because you Levites weren't there to carry the chest."
They put the sacred chest on a new ox cart and started bringing it down the hill from Abinadab's house. Abinadab's sons Uzzah and Ahio were guiding the ox cart,
When the camp is ready to be moved, the Kohathites will be responsible for carrying the sacred objects and the furnishings of the sacred tent. But Aaron and his sons must have already covered those things so the Kohathites won't touch them and die.
Moses wrote down all of these laws and teachings and gave them to the priests and the leaders of Israel. The priests were from the Levi tribe, and they carried the sacred chest that belonged to the LORD.