I entered into my right arm, left chest and shoulders while hiding it with a towel, but since there were only 2.3 customers including me, I think it's better to aim for a time when there are few people! However, since the employee came in for cleaning, I could only enter the open-air bath and sauna ^^;

I put it in the morning bath! Although I refused the entrance, there was a signboard but I could not see the surroundings with steam and I put it in