  The multiplicity dependence of multistrange hadron yields in proton-proton
and lead-lead collisions at several TeV allows one to study the transition from
very big to very small systems, in particular, concerning collective effects. I
investigate this, employing a core-corona approach based on new microcanonical
hadronization procedures in the EPOS4 framework, as well as new methods
allowing one to transform energy-momentum flow through freeze-out surfaces into
invariant-mass elements. I try to disentangle effects due to ``canonical
suppression'' and ``core-corona separation'', which will both lead to a
reduction of the yields at low multiplicity.
