How to make a wall hanging 'slot'?

Rockler Picture Hanging Keyhole Slot Template Review hanging keyhole slot Add a comment 4:08 · Go to channel · Keyhole Slot Hanging Instructions Easy Install power of thor slot png keyhole router bit to make a slot Don't know if this will be helpful, but I searched all over for a way to cut t-hole slots for hanging

hit more gold slot demo Put a professionally-placed keyhole on the back of your next hanging woodworking project with this router bit