If you wear next to the skin, it can develop skin lesions so please put it over your underwear. Please wrap it around your lower back bones as below. And also, please repeat to attach and remove in moderation for long period.
If you wear it on the skin directly, it might cause skin problems. So please wear it on the underwear. Wear it on the hipbones as the figure shows. Also, if you wear it for a long time, please put it on and off repeatedly in moderation.