0 a hard hat that covers and protects the whole head, worn especially by motorcyclists --
It is much more difficult to enforce seat belt legislation than crash helmet legislation.
If that law means that they have to wear a crash helmet when riding a motor cycle, so they should.
In any event, a baby will not have a crash helmet.
The principle has been breached already in the crash helmet and health and safety at work legislation.
The second and more important argument, surely, is that the wearing of a crash helmet cannot be a disadvantage to the wearer.
There may be people who argue that there are occasions when it is safer for a motor cyclist not to wear a crash helmet.
A motorist involved in an accident may suffer because a motor cyclist is not wearing a crash helmet when he ought to be doing so.
The regulations make it an offence for somebody to ride without a crash helmet.