My trailer has the typical rear cam latch and hasp closures, like this:
I’ve always used a carabiner for extra safety to keep it from flying open on the road like this (closest photo I could find, but you get the idea!)
I want to attach some kind of closing mechanism with a cord so they don’t disappear as they’re prone to doing! Like this:
or this: https://www.horsetraileraccessorystore.com/Linch-Pin-Attachment-KIT_p_844.html
But I’m not sure if I want to use carabiners or linchpins like they have in the above photo. Does anyone have a compelling argument for one over the other, or another idea altogether?