Woolfenden, Callum. “J20 Lattice Use in Rugby Headguards”. Graduate Journal of Sports Science, Coaching, Management, & Rehabilitation 1, no. 3 (June 7, 2024): 70-70. Accessed June 23, 2025. https://northumbriajournals.co.uk/index.php/gjsscmr/article/view/1557.