Don’t let some jerk steal your bike (or skis, or whatever)! We've combined our Cable Anchor - Trunk with a sturdy cable lock. Since SeaSucker bike racks aren’t 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 – an anchor point to securely connect a cable loop to your car. The Cable Anchor – Trunk, has a steel rod that closes inside a trunk or hatchback seam, the plastic dipped coating protects your car’s paint.