JetBlack Tack Lock On Grips Black/Black: The team at JetBlack put their thinking helmets on and came up with the Tack grip, optimising our latest compounds to add highly effective dampening and create a balanced tacky feel. The versatile size profile means the Tack grip suits a range of hand shapes. Riders using this grip benefit from a comfortable hold without giving up that all important level of control on the trail.