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 analyses reviews to verify trustworthiness.
The clip used to attach to my bra straps does not hold after one use! The fabric of my straps is slippery & once endented by the central prong of the clasp it formed a burrow which caused the attachment to slip off!