contributory negligence• If Brian sued John for negligence he could be met with the defences of volenti non fit injuria and contributory negligence.• If the plaintiff was thrownforwards and injured, then clearly failure to wear a seatbelt is contributory negligence.• LordDenning stated: A very young child can not be guilty of contributory negligence.• In most states, courts hold that very young children are incapable of contributory negligence.• If it is, then Chartist may attempt to raise volenti non fit injuria or contributory negligence as defences.• The younger the student, the more difficult it is to provecontributory negligence.• This was also the case where contributory negligence was established before 1945.