  We consider supersymmetric extensions of the standard model with a
vector-like doublet $(T \, B)$ of quarks with charge $2/3$ and $-1/3$,
respectively. Compared to non-supersymmetric models, there is a variety of new
decay modes for the vector-like quarks, involving the extra scalars present in
supersymmetry. The importance of these new modes, yielding multi-top,
multi-bottom and also multi-Higgs signals, is highlighted by the analysis of
several benchmark scenarios. We show how the triangles commonly used to
represent the branching ratios of the `standard' decay modes of the vector-like
quarks involving $W$, $Z$ or Higgs bosons can be generalised to include
additional channels. We give an example by recasting the limits of a recent
heavy quark search for this more general case.
