It turned out that these were souvenirs intended to be taken home.

When it came to carving the boar, our old friend Carver, who had carved the capons, did not appear, but in his place a great bearded giant, with bands around his legs, and wearing a short hunting cape in which a design was woven.

Drawing his hunting-knife, he plunged it fiercely into the boar's side, and some thrushes flew out of the gash.
fowlers, ready with their rods, caught them in a moment, as they fluttered around the room and Trimalchio ordered one to each guest, remarking, "Notice what fine acorns this forest-bred boar fed on," and as he spoke, some slaves removed the little baskets from the tusks and divided the Syrian and Theban dates equally among the diners..