Powered by our Ai-DUAL insert delivering consistent ball speed across the face with improved forward roll the Ai-DUAL The Jailbird Mini is a classic Odyssey shape that has been our hottest shape on Tour and in the market for the last couple years. It's Versa alignment delivers excellent alignment cues and this model comes with a Double Bend shaft making this putter face balanced and best suited for strokes with minimal arc and face rotation.