The rucksacks that foot soldiers carried at the time were called 'randoseru' (a school rucksack), and they became a symbol for 'elementary school students' in the following generations and became a familiar sight.
歩兵が背負った背嚢は当時「ランドセル」と呼ばれ、これが後の世に「小学生」のシンボルとなって親しまれることとなった。