Mason Joiner, a.k.a. "Moses", is 14 years old. He uses an ACI F4 Illustrator with an ACI Zero Gravity Barrel, an ACI 6-Stage expansion chamber, an ACI venturi bolt, and a 9-Volt Revolution hopper. He uses a Black JT Flex-7 mask with a Crosswind fan system. He has been playing for 2 years.