P-Clamps hold our framed and barrier nets to the wall.  They come in 1/4 and 3/16 inch diameters.  They attach by placing the flat side of the P clamp against the wall, placing the net and bungee cord or frame in the circle and screwing down the clamp to the wall.  Super easy to attach.  

This listing is for the 1/4th size for the 1/4 bungee BUNG-14BLK

Comes with #8 x 3/4 Phillips Flat Sheet Metal Screws

10 minimum