Wing (Cambodia) Ltd. Specialised Bank holds “Rock with Wing” music festival at Rokku Sushi Lounge. The 2-day event features live performances by 10 different musical groups and artists. All Wing cardholders enjoy complimentary appetizers, food and drink specials, and raffle draws for jewelry prizes sponsored by Metallurgy. Wing is the nation’s leading mobile banking services provider; their products are designed to provide access to financial services for all Cambodians regardless of banking status.