Ever wanted to study the Scriptures more effectively Kenex aids Individual Bible reading by its proven reference system which is in use among Christians throughout the world. What is a KENEX indexing clip? It is a small, transparent, numbered or coloured clip-on marker. It sounds simple. And, yes, it is simple but it is the perfect reference system. If you need a better way to keep track of your work or study system, KENEX is for you.