Cyber Relics › ArpWire TVi [Beanie] Image 1 of 1 ArpWire TVi [Beanie] $14.99 Does DS stand for Dual Screen, or Developer System? [Beanie Details] • 60% cotton, 40% acrylic • Breathable cotton blend • Form-fitting shape • One size fits most Quantity: Add To Cart Added! Does DS stand for Dual Screen, or Developer System? [Beanie Details] • 60% cotton, 40% acrylic • Breathable cotton blend • Form-fitting shape • One size fits most