Earrings of Game can be obtained through Recipe Crafting.
Gold earrings. From the earlobe is an earring shaped like a baseball bat, and higher up on the ear, near the top, is a single stud. Together they make a bat and ball.
The other parts of this suit are Baseball Girl, Ace Pitcher, Baseball Game, Clear Sky Shorts, Batting Stockings, Pitcher's Mound, Multicolored Baseball Cap, The Smiling Collar and Pitcher's Shoulder Bag.