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Stop using round door knobs

usertest3
Bird With Arms -
Join the 21st century and switch to square knobs. Similar concept to square head bolts - more surface area and better gripping. Recent analysis showed a 33% gain in efficiency.
Tags: Genius

Comments - 2

usertest2
user2 test2 -
Pure genius.
usertest1
user1 test1 -
Hello
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