GT-GF by Grain Theory is a kendama tracked by DAMA PIG. It is priced at $59.99, made with a maple ken, finished in Matte, sealed with a matte clear coat. Suited to flip play. Out of stock at Grain Theory. Dama Pig has tracked its price since Jan 2026: $59.99. The latest drop sold out within ~16 hours. Compare GT-GF against kendamas from 40+ brands, with live pricing and availability, on DAMA PIG.