Could you use Jury rigged to lower the advantage cost of an effect it does not currently have, for instance Linked for a regular lightsaber, which could then be taken advantage of when given that effect temporarily, like with Saber swarm?
At first, I figured it would just be cheesy 'sploit mongering, but since it would be a lot less powerful than doing it to a weapon that has linked in the first place (I'm looking at you, double bladed lightsaber!) I'm not so sure anymore.