Tushy Classic 3.0 Bidet Toilet-Seat Attachment (Platinum) There's also the thinner Tushy Classic 3.0 Bidet Toilet-Seat Attachment (Platinum) ($99) with the silvery knob instead, which is more fingerprint-resistant as compared to the original with platinum knobs. Image Source: amazon.com Tushy Classic 3.0 Bidet Toilet-Seat Attachment (Platinum) $99 from amazon.com Buy Now