  The existence of pentaquarks with strangeness content zero and one are major
discoveries of the latest years in hadron physics. Most of these states can be
understood as hadronic molecules and were predicted prior to their discovery
within a model based on unitarized meson-baryon amplitudes obtained from vector
meson exchange interactions. Contrary to earlier statements, we show this model
to also predict the existence of pentaquarks with double strangeness, at about
4500 MeV and 4600 MeV, which are generated in a very specific and unique
mechanism, via an attraction induced by a strong coupling between the two
heaviest meson-baryon states.
