Citations:鉄壁スカート

Japanese citations of 鉄壁スカート

(skirt that does not reveal underwear):

• 2014, Yuna Shiyake, Shinshoku dungeon to shinsoku no dakkan shōtai, →ISBN, page 22:

  このスカートは、裾の方が重くなっていて、余程のことがなければめくれない。通称鉄壁スカートと呼ばれる、働く女性に人気の品だ。

  This skirt, the hem is weighted, so it never rides up. Commonly called a teppeki skirt, it's very popular with working women.

(image of a short skirt which avoids showing underwear):

• 2016 April 6, “‘Zettai muteki no bōgyo-ryoku’ teppeki sukāto tokushū”, in Pixivision‎^[1]:

  逆立ちをしても、高い所から落ちても、風が吹いても、決して翻ることなく乙女の下着を守り抜く奇跡の布「鉄壁スカート」。現実世界であれば確実にスカートの中が見えるはずの動きでも、謎の力で重力に逆らい下着を覆う、2次元世界の魔法のスカートです。

  Whether doing handstands, falling from high places, or even being blown by the wind, these girls’ underwear are protected by the miracle invincible skirts. It’s no doubt that you would be able to see their underwear in reality but they are magical skirts of the two-dimensional world which defies gravity as mysterious force concealing their underwear.