1. To do this, enter the Pause menu and select Oculi.
2. Next, select a piece of equipment (weapon, armor, or accessory).
3. You will then see the screen below. Select an Oculi and then press the Left Ctrl key (circled below) on your keyboard to gift Oculi to your Uplay friends!
NOTE: the Erin Stone (a DLC Oculi, pictured on the far right) cannot be gifted.