Big, thick, heavy wallet chains are handy and are also conveniently useful in a self-defense situation.
https://www.amigaz.com/pages/shop-wallet-chains?META=GWCB%3ACWC&gclid=EAIaIQobChMI4dbm1In27QIVQRB9Ch3hEwWkEAAYAiAAEgJzrvD_BwE
https://anvilcustoms.com/products/industry-chainmaille-wallet-chain?gclid=EAIaIQobChMI4dbm1In27QIVQRB9Ch3hEwWkEAAYAyAAEgK-XPD_BwE