2 Kings 9:13

Then they hasted, and took every man his garment, and put it under him on the top of the stairs, and blew with trumpets, saying, Jehu is king.

Hasted, and took every man his garment. The upper cloak, which they spread on the ground as a token of their homage to their distinguished commander (Matthew 21:7).

Top of the stairs - from the room where the prophet had privately anointed Jehu. That general returned to join his brother officers in the public apartment, who, immediately on learning his destined elevation, conducted him to the top of the stairs leading to the roof, and which was the most conspicuous place of an Oriental structure that could be chosen, being at the very top of the gate-building, and fully in view of the people and military in the open ground in front of the building (Kitto). The popularity of Jehu with the army thus favoured the designs of Providence in procuring his immediate and enthusiastic proclamation as king; and the top of the stairs was taken as a most convenient substitute for a throne.