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
Hilbrohampton t1_iu373zh wrote on October 28, 2022 at 5:35 AM Thankfully I have anti ninja ankles, they click so much i could never be a ninja Permalink 1 dogwoodcat t1_iu3nnin wrote on October 28, 2022 at 9:24 AM Sometimes my knee cracks so hard I'm sure it's going to start glowing. Permalink Parent 3
dogwoodcat t1_iu3nnin wrote on October 28, 2022 at 9:24 AM Sometimes my knee cracks so hard I'm sure it's going to start glowing. Permalink Parent 3
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