From the Portal Wiki
|Worn by:||Atlas, P-body|
|Price:||$0.99 / £0.59 / 0.99€ / 30 rub|
The Cogs Flag is a jiggleboned item that attaches to Atlas and P-body's antenna. It bears a drawing of the Cogs logo and was awarded if the game was played the most out of the Potato Sack games.