Near its base, each spine has a narrow neck, sharply bent. This means that if a hedgehog falls from a height, it can survive because the spines are angled in such a way that they do not puncture its skin.
Ja ezim gadās krist no kādas augstākas vietas, viņš paliek sveiks un vesels, jo, pateicoties adatu specifiskajam stāvoklim, tās neizduras cauri eža ādai.