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_iu4k3xc wrote on October 28, 2022 at 2:34 PM Reply to comment by phangrrl in TIL about anti ninja floors in Japan. They were purposefully made to squeak as to alert people of intruders. by tpb01 That's awesome dude Permalink Parent 1
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