Either toss them from one hand to another, as giving all from themselves to God; or shake them to and fro, towards the several parts of the world, to note God's dominion over all places and people, and the extent of that true and great sacrifice, represented in these types to all.
Related Commentaries of Exodus 29:24
Exodus 29:24
24 And thou shalt put all in the hands of Aaron, and in the hands of his sons; and shalt wavec them for a wave offering before the LORD.