Paper app creators 53 design launches the $60 Bluetooth stylus that thinks it's a carpenter's pencil - 9to5Mac
53 Pencil:史上最像筆的手寫筆? | T客邦
Hot Sell FiftyThree Pencil 53 Stylus Graphite + Magnetic Snap Bluetooth Paper Pencil for iPad Retail Box Free Shipping|paper indenter|paper staplepaper pencil case - AliExpress
Artist Review: FiftyThree Pencil Stylus (for iPad and iPhone) - YouTube