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 2 years ago in todayilearned 187 comments 5,566
am_trying_to_be_nice t1_iu5xh6b wrote 2 years ago TIL MY APARTMENT HAS ANTI-NINJA FLOORS TIME TO PUT THIS INTO THE SALES BROCHURE ANTI-NINJA INSURANCE INCLUDED!!! WOW! Permalink 1
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