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
sanwfa t1_iu3ir14 wrote on October 28, 2022 at 8:12 AM LOL carpenters and other construction workers build anti ninja stuff in our country even without asking 😂😂 Permalink 4 AnotherSimpleWriter t1_iu4huy4 wrote on October 28, 2022 at 2:18 PM Safety first! Permalink Parent 2
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