Johnston-Hollitt, Fleenor, Rose, Christiansen (the latter three North Carolina, USA) and Hunstead (Sydney, Australia) continued their investigation of the Horologium-Reticulum supercluster. The group significantly expanded its optical data on the supercluster adding some 1700 unpublished high-quality optical spectra to the existing data making a total of about 3000 spectra for the region. They also obtained fully processed 1.4 GHz ATCA mosaiced observations of the central region of the supercluster. Their examination of the optical data showed a rich velocity structure and supported the previously suggested hierarchical merging model for this supercluster. The radio data uncovered a compact group of three head-tailed galaxies associated with a known in-falling component to the central supercluster region. Using newly obtained ATCA 4.8 GHz and archive MOST 0.8 GHz data, Johnston-Hollitt and collaborators could determine that two of the galaxies are members of the in-falling group while the third is simply a change alignment with a background source. Both in-falling head-tailed galaxies are strongly polarised at 4.8 GHz and show significant twisting and bending of their radio jets probably due to bulk gas flow in the ICM as the group is attracted to the centre of the Supercluster.