I would suggest just adding one or two at a time. I have some I have never used! I like the ones from Jamie Wallen (curved cross hatching- has handles) and Teryl Loy the best. I have odd ones that found their way to my quilt studio that I use but have NO idea where they came from!
www.quiltersapothecary.com (Jamie Wallen
www.terylloy.com
Both have videos with quilting suggestions.