How do I get a keyhole slot cut in my mounted poster?

How do I get a keyhole slot cut in my mounted poster? hanging keyhole slot A horizontal keyhole slot is a great hanging option if you want a painting, photograph, picture, or other decor to sit flat against the wall topcer88 slot That said, this is a nearly perfect hanging method capable of a lot of weight and no gap

topcer88 slot How do I cut a keyhole slot in this mounted poster in order to hang it flush with my wall? I had a poster mounted on an MDF board with a

mail slot on door Keyhole Slots Made Simple Paw Paw's WorkShop•47K views · 7:34 7 CLEVER Add a comment 4:08 · Go to channel · Keyhole Slot Hanging Instructions Easy Install