  We study resonant pair production of heavy particles in fully hadronic final
states by means of jet substructure techniques. We propose a new resonance
tagging strategy that smoothly interpolates between the highly boosted and
fully resolved regimes, leading to uniform signal efficiencies and background
rejection rates across a broad range of masses. Our method makes it possible to
efficiently replace independent experimental searches, based on different final
state topologies, with a single common analysis. As a case study, we apply our
technique to pair production of Higgs bosons decaying into $b\bar{b}$ pairs in
generic New Physics scenarios. We adopt as benchmark models radion and massive
KK graviton production in warped extra dimensions. We find that despite the
overwhelming QCD background, the $4b$ final state has enough sensitivity to
provide a complementary handle in searches for enhanced Higgs pair production
at the LHC.
