These clips have a saddle, and u shaped bolt. As the diagram shows, the saddle side of the bolt should always go on the live (loaded) end of the cable, not the dead (cut) end. This is because ...
HSR Wire Clips Cable Protector Clips Desktop Cord Organizer, Multipurpose Silicone Adhesive Cord Hooks for TV, Home, Office, Cubicle, Car, Desk (10 PCS Set) Buy On Tidy Up!
You might need to lift the prong up and pull the cable through the largest part, then push the metal flush against the clip ...