A: Your mirror is too heavy for picture hooks alone, but a wall anchor would likely do the trick to attach them to a wall made of drywall or plaster. A variety of drywall anchors are available ...
The Family Handyman on MSN11mon
How to Hang Pictures on Plaster Walls
For heavier pictures, anchors rated for plaster and gallery systems ... Tap, rather than hammer, the nail into the wall.
A 1/4 to a 1/2 inch of nail should be sticking out of the wall. Heavier picture frames will need anchors and screws. Use a ...