 As a way of saving at least some of our modal intuitions while still avoiding Bradley’s regress, Simons (1994; cf. also Keinänen 2011 and Keinänen and Hakkarainen 2014 for a slightly different version of this  view[34])  suggests we view the concrete particular as constituted partly by a ‘nucleus’ (made up from mutually and specifically dependent tropes) and partly—at least in the normal case—by a ‘halo’ (made up from tropes that depend specifically on the tropes in the nucleus). The result is a structured bundle such that, although the tropes in the nucleus at most depend for their existence on the existence of tropes of the same kind as those now in its halo, they do not depend specifically on those tropes. In this way, at least some room is made for contingency, yet Bradley’s regress is avoided. For, as the tropes in the halo depend specifically for their existence on the tropes that make up the nucleus, their existence is enough to guarantee the existence of the whole to which they belong. This is better but perhaps not good enough. For, although the same object could now have had a slightly different halo, the possibility that the tropes that actually make up the halo could exist and not be joined to this particular nucleus is ruled out with no apparent justification (other than that this helps its proponent solve the problem with the Bradley regress) (cf. also Garcia 2014 for more kinds of criticism of this view).