Roadmaster InvisiBrake – Explained, Installed, and Tested
https://www.truckcampermagazine.com/news/roadmaster-invisibrake-explained-installed-and-tested/
WebSep 16, 2011 · The Roadmaster InvisiBrake is a fully-automatic supplemental braking system that stops your towed vehicle in tandem with your truck camper. Best of all, it’s completely out of sight. Once installed, the InvisiBrake doesn’t need to be connected or disconnected for use.
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