Have you noticed aviator sunglasses mostly have green lenses? Remember those attachments your vacuum cleaner came with? Did you know regular paper clips have a secret use? Just like those holes in the side of your converse sneakers. Let's find out about the hidden purposes of things you use every day!

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Credit:
CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0/:
Plain buttonhole: By kelly - https://flic.kr/p/8APRzv, https://commons.wikimedia.org/....w/index.php?curid=76
Kaptein Christian Krohg: By Municipal Archives of Trondheim - https://flic.kr/p/7VoG5z, https://commons.wikimedia.org/....w/index.php?curid=21
1968 Ray Ban Advertisement: By SenseiAlan - https://flic.kr/p/KBpc7r, CC BY 2.5 https://creativecommons.org/licenses/by/2.5/, https://commons.wikimedia.org/....w/index.php?curid=88
CC BY 4.0 https://creativecommons.org/licenses/by/4.0/:
Pullover: By Auckland Museum, https://commons.wikimedia.org/....w/index.php?curid=65
Packet, food product: By Auckland Museum, https://commons.wikimedia.org/....w/index.php?curid=65
Befestigung Boutonniere Knopfloch: By Andreas Thenhaus, https://commons.wikimedia.org/....w/index.php?curid=10

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