I've seen these pop up on a few of my social media feeds. Not a bad idea, especially having the lock go around your rod. I purchased a cable lock to run through my rods and attach to my port-a-rod, rod holder in the bed of my truck. The rod and reel like just adds that little bit of extra security.
[URL unfurl="true"]https://www.dockslocks.com/products/dockslocks-fishing-rod-reel-security-kit