"More jury rigged" is a term that refers to something that is assembled or improvised quickly and provisionally with whatever materials are available. There are several synonyms for this phrase that can be used to describe the same thing. These include words like makeshift, slapdash, haphazard, impromptu, improvised, and ad hoc. All of these synonyms convey the same idea; a solution or creation that is not well-planned or thought-out, but rather is put together quickly and without much consideration. Whether you use "more jury rigged", "makeshift" or any of the other synonyms, they all describe a solution that may not be perfect, but gets the job done.