Also put the "presentation" attitudes they will be pressured to do, in this case comitment. Psii will put on a stoic but calm face to appear reliable.

Also: Bouquets of wheat will be laid in President Snow's direction. (The bouquets will later catch fire due to an unfortunate placement of pyrotechnics that none of the tributes could have foreseen--except for Psii, who purposefully neglected to point this out).

ETA: I've tried contacting Iron Bull's player with no success, so if all else fails, I've selected this jacket (no turban) to handwave.