We’re truly sorry to hear about your experience with the Black Leather Vertical Business Card Holder. The last thing we would want is for a product designed to protect and present your cards to cause harm. We sincerely apologize that the aluminum edge felt sharp enough to cause an injury and that your cards were marked when placed inside. Please know that we take safety concerns very seriously. We’ve already shared your feedback with our quality and product teams so they can review the design and work to ensure this issue is addressed to prevent similar experiences in the future. We’ll also be sending you a separate email shortly to provide further assistance with your order. Thank you again for bringing this to our attention. It’s feedback like yours that helps us improve and provide safer, more reliable products for our customers.