Hanging a heavy mirror with built-in keyhole slots -

Keyhole Mounting Hardware - keyhole slot plug , keyhole hangers are required in most cases However, positioning the anchors for the keyhole keyhole slot bit Tiger Eye Stone Keyhole Hangers by-the-pair Material: tiger eye stone This is handmade jewelry and is subject

keyhole slot hanger plug pocket holes with the shelf in place after it is hung The keyhole slot is your best idea, and it's reasonably strong It