How to install jealousy louder window security clip

Hello! To install the 39-310 clip, you will need to slip it onto the underside/inside of the glass louver. Both ends on the clip have an angle bent in opposite directions; one end catches the top edge on the inside of the glass, and the other end catches the inside bottom end of the metal louver clip. See the diagram below.

Diagram of how to install the 39-421 jalousie window clip.