Motoworld Singapore - Oxford Lidlock Helmet Lock A lightweight aluminium outward-opening carabiner mechanism carabiner to attach to the helmet's D-rings or to secure your helmet so that would-be thieves don't walk off
Oxford LidLock - Black : Oxford Products
OXFORD Lid Lock karabinlock for helmet
Oxford LidLock - Black : Oxford Products
Motorcycle Anti Theft Bike Motorcycle Helmet Lock W/ Resettable Code Pin Spring Combination Lock Climbing Hook For Universal - Locks & Latches - AliExpress