Drive wire nails into them. (The kind that you use for saw-tooth hangers) You can buy a box from United. #1920
For larger pieces buy an assortment of sizes of the type with screws from your local hardware store.I wish United would sell those.
United does sell rubber bumper tacks. I'm going to try those next. #1833
For larger pieces buy an assortment of sizes of the type with screws from your local hardware store.I wish United would sell those.
United does sell rubber bumper tacks. I'm going to try those next. #1833