For lighter items simply screwing into the plaster with a 1 1 4 drywall screw is usually enough to get the job done.
How to hang heavy stuff from adobe plaster walls.
No power tools are required for this self drilling fastener.
Amazon affiliate http amzn to 1iofrse ryobi corded drill with c.
Mark the spot with a pencil.
Here are links to the product we used in this video.
Use a picture rail if you have one.
Some older plaster walls have a thin strip of wood that runs around the perimeter of a room usually between 1 inch 2 5 cm to 1 foot 30 cm below the edge of the ceiling.
Use a screwdriver to screw it in until it s flush with the wall.
If your room has this you can simply drive a screw through the wood and use this to hang things.
Screws and screws with masonry anchors for heavy items are your best choice for hanging things on plaster walls without picture rail.
When finder passes over a nail the magnet will react.