Beg, borrow, and steal with instant impunity―this charming IOU has you covered. Its handy checkboxes and prompts will help you make good on debts, favors owed, and mindless miscues. Payment doesn't have to be a pain!

• Forget those mobile payment apps and settle what's owed on paper
• Want to avoid awkward exchanges? Knock Knock notes do the talking for you
• 4 x 5.25 inches, 50 sheets