ERSA Pro Stringer Issue 5 - 2018 prostringer5-18 web | Page 10 NEW PRODUCTS THE NEW YONEX VCORE SERIES cont. Ultimate Ball Pocketing New Liner Tech Grommet Design By dramatically reducing the string entry angles in select grommets, the outer main strings are elongated to produce a wider sweet spot, providing greater snap- back. With added string movement, players can grab the ball to apply extra spin. New Frame Shape and Graphite By utilizing the next-generation Namd graphite and reducing the size of the yolk (blue area in the diagram), the new VCORE frame allows for more torque, applying more spin to the ball. 10 ERSA PRO STRINGER // ISSUE 5-2018