how to install a Keyhole Wall Hanger to hang your DIY

How to lodge a door keyhole from the inside, because I don't want a keyhole slot plug Keyhole Slot Cutter Ø 9,5 mm S6 keyhole slot plug Keyhole Hanging Kit takes the pain out of hanging products with keyhole slots Locaters insert into keyholes and mark wall for precise location of Bear Claw

keyhole slot bit plug hav- ing a central axial opening therethrough ; a tube fitting said keyhole - slot registering with an in- terval between adjacent terminal