Donât let some jerk steal your bike! Since SeaSucker bike racks arenât bolted on to rooftop bars, we came up with a way to keep your bike safe. A Cable Anchor is just what it sounds like â an anchor point to securely connect a cable loop to your car. The Cable Anchor â Trunk, has a steel rod that closes inside a trunk or hatchback seam, the plastic dipped coating protects your carâs paint.