[header] How to decorate a window with christmas cards [title] Gather all your necessary christmas cards along with a roll of tape. [step] Single-sided tape works best, though double-sided is less prone to show. It doesn't matter if it's masking tape, scotch tape, gift tape, or duct tape; as long as it's tape, it'll work. 
[title] Take the first card from the pile. [title] Rip off a small strip of tape.