I always find discarded jigs at public places. Busted hooks or old jigs with rusted out hooks. Yet they are still usable. After I tie them with some fresh new hooks. Either the old hook has broken off or I simply cut off the old useless hook.
What I find about it is that I seem to get better hook up ratio. That's more than I'd expected from it's original hooks. It could simply be that the short line tied allows the hook to swing a little more making it easier for the fish to engulf the hook. Regardless it gets the job done, plus I clean up the public general area. Getting rid of a potential dangerous rusty hook jig and littered jigs.