Instructions
Talk to your friends using the chat feature in "BoomBang." Ask them if they have any rare items they are willing to give you, or if they are willing to trade a rare item for multiple commonplace items.
Participate in the contests and games that "BoomBang" occasionally offers to players. You can score free loot if you win or place in a contest or game.
Go to the "Shop" tab in "BoomBang and click on "Gifts." If you are extremely lucky, you may find a gift box that contains several rare, valuable items.