Nothing, you sell one to Devlin to add to the collection, and can sell the other like a regular gem to a merchant.
Basicly what you do is when you can choose a right hand weapon or a left hand weapon press left hand weapon then press right and it will show {LR} next to it hope it helped :)
left left up left right down right
Is between the eyes, between the left and the right
Here are the cheats for Transformers: The Game (enter these at the new game menu). Infinate health: Left, Left, Up, Left, Right, Down, Right No Human interfearance: Right, Left, Right, Left, Right, Left, Right No Ammunition (Ammo) reload: Up, Down, Left, Right, Up, Up, Down.
r1 r1 o r2 left right left right left right
Well how else do they masturbate no they have two left eyes
Two(2) a left and a right.
Yes use left right right left up down left right
Infinate Health: Left, Left, Up, Left, Right, Down, Right No Human Interferiance: Right, Left, Right, Left, Right, Left, Right No Ammunition (Ammo) reload: Up, Down, Left, Right, Up, Up, Down
euchre
up, up, down, down, left, right, left, right, b, a
explosion: left left left lazer: up left right damage orbs: right right right fire storm: left up right rebirth: up up up cherry blossom: up left right stone maker: left left right