This unique product finally answers the question: how to leave your helmet with your bike without it getting wet, damaged or stolen?
The helmets remains completely protected from the elements at all times.
However, the lock (not provided!) is threaded down a waterproof tube which runs through the visor aperture and out of the bottom of the helmet (see image) so that you can lock it to the bike.
The easiest lock to use is an armoured cable lock (such as an Oxford Revolver), but you could equally use a chain lock or a regular cable lock.
Secure way to leave your helmet with your bike,and keep it protected from the weather
Suitable for chains and cable locks
Handy Velcro hanging strap to keep your helmet off