To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 2. Simulation of a constricting adf1-M3 ring. Three bridging events occur during constriction (arrows). Actin turnover protects the cytokinetic contractile ring from structural instability Zachary McDargh, Tianyi Zhu, Hongkang Zhu, and Ben O'Shaughnessy J Cell Sci 2022. 136:None-None; doi: 10.1242/jcs.259969 Download Original Video