YOU SAID:

i only wear one headband on my head at a time

INTO JAPANESE

一度に1つのヘッドバンドだけを頭につけます

BACK INTO ENGLISH

Wear only one headband at a time on your head

INTO JAPANESE

頭に一度に1つのヘッドバンドのみを着用する

BACK INTO ENGLISH

Wear only one headband at a time on your head