Biomechanical performances of old-fashioned leather and modern football helmets compared. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2013 / 05 / 130507075724.htm ...

Old-fashioned "leatherhead" football helmets from the early 1900s are often as effective as -- and sometimes better than -- modern football helmets at protecting against injuries during routine ...