MULTIFUNCTIONAL DESIGN: This corner cutter can help you cut rounded corners, chamfered corners, and it also comes with an indentation pen to help you crease paper marks according to the indentation on the board, and there are size instructions on it, which makes it very easy to use. INDENTATION PEN: Worried about failures due to uneven folding of origami? Along with this corner depressor, we will also send you an indentation pen, you can indent the marks on the paper according to the marked out indentations, so that origami will become much easier. If you don't know how to use it, watch the tutorial video we uploaded. ABOUT THE INSTRUCTIONS: The instructions are in Chinese, you need to go to the user guide or contact the service to get the short version of English instructions we made, thanks for your understanding! ENJOY DIY FUN: Come and use this paper cutter for cardstock to make envelopes, gift boxes, and bows for your friends and family from your favorite cardstock! RETRACTABLE HANDLE: The handle of this envelope scoring board is retractable to extend the scoring range. And it doesn't take up much space, so you can put it into your bag and carry it with you.