The Horizontal Freudian Slip (like its fraternal twin the Vertical Freudian Slip) is an insert that gives you 11 extra pockets to provide total organization of your files and accessories. The horizontal format of the Horizontal Freudian Slip allows it to fit inside our Zephyr or Empire Builder briefcases, or ID, Ego, or Super Ego messenger bags. It’ll also probably fit inside your current messenger bag or briefcase. $35. In stock.