Hawaiian Poi and Ring Pounders Gifted to the Wachowskis by Keanu Reeves. Basalt poi and ring pounder implements as used in traditional Hawaiian culture. Considered to be the most valuable of stone implements used on the Hawaiian islands, these pounders were used to crush the taro root after baking and then kneaded into a fine paste called poi, with its nourishment considered a perfect substitute for lactose-sensitive babies. Tallest height 10?. Gifted by Keanu Reeves to the Wachowskis during production of the first three Matrix films. Provenance: The Wachowskis.