afefc8c9_of_the_Year___Tales_of_Pandora__Borderlands_2
[Mechanic] Item Trading: [Borderlands 1] N/A. [Borderlands 2] 
A trading interface will allow players to exchange or sell items to each other.
Dusty Cartridge – Why BL2 Will Be Game of the Year | Tales of Pandora
Borderlands 2