The aku ring is a tactile, spiky and flexible ring, available in four assorted colors. Its soft spikes transmit a pleasant sensory impulse. The peculiarity of this tool makes it suitable for various activities and educational games.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.
