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In this paper we argue that monojet and monophoton searches can be a sensitive test of very highly ionizing particles such as particles with charges ≳150e and more generally particles that do not reach the outer parts of the detector. 8 TeV monojet data from the CMS experiment excludes such objects with masses in the range ≲650 GeV and charges ≳100e. This nicely complements searches for highly ionizing objects at ALICE, ATLAS, CMS and LHCb. Expected improvements in these channels will extend the sensitivity range to m≲750 GeV. This search strategy can directly be generalised to other particles that strongly interact with the detector material, such as e.g. magnetic monopoles.