The author observes that locality is crucial to local constraint conjunction (Smolensky 1995) and proposes to account for locality in terms of a locus function for constraint violations (McCarthy 2003). The idea is that the locus function for a locally conjoined constraint is interpretable only when its conjuncts share their locus of violation. Thus, locality of conjunction follows from the types of constraints that are conjoined and is not stated as a free variable. Furthermore, in cases of markedness and faithfulness conjunctions (Ito and Mester 2002, Łubowicz 2002), the faithfulness constraint needs to lead to the markedness constraint violation rather than provide a mere context of violation. This proposal is found to be superior to previous approaches to restricting local constraint conjunction, such as fulcrum (Bakovic 1999, Hewitt and Crowhurst 1996) and domain (Łubowicz 2002, Moreton and Smolensky 2002, Smolensky 1993).