Joshua 6:6

And Joshua the son of Nun called the priests
Not the Levites and Kohathites, whose business it was in common to bear the ark, but upon this occasion the priests; not all of them, but as many as were sufficient for the purpose:

and said unto them, take up the ark of the covenant;
by putting the staves into the rings of it, and so carry it, ( Exodus 25:14 ) ; see ( Numbers 7:9 ) ;

and let seven priests bear seven trumpets of rams' horns before the ark
of the Lord: (See Gill on Joshua 6:4).