TIL about anti ninja floors in Japan. They were purposefully made to squeak as to alert people of intruders. science.howstuffworks.com Submitted by tpb01 t3_yf8hvz on October 28, 2022 at 12:32 AM in todayilearned 187 comments 5,566
_twintasking_ t1_iu4ji16 wrote on October 28, 2022 at 2:29 PM Reply to comment by Malvania in TIL about anti ninja floors in Japan. They were purposefully made to squeak as to alert people of intruders. by tpb01 Yes! Permalink Parent 2
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