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
[deleted] t1_iu4jm08 wrote on October 28, 2022 at 2:30 PM Reply to comment by Tsara1234 in TIL about anti ninja floors in Japan. They were purposefully made to squeak as to alert people of intruders. by tpb01 [removed] Permalink Parent 1
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