> 3.5 inch floppies with a hole punched in the corner to make them high density I don't remember that. I remember the trick of punching a hole in a 5¼ to make

> 3.5 inch floppies with a hole punched in the corner to make them high density I don't remember that. I remember the trick of punching a hole in a 5¼ to make it double sided though.