Jerry
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Deities
God
Stuff
Matter
States of Matter
Solids
Metals
Wire
Pins
Attachments
Pin - Wikipedia
Parents
Fasteners
Wire
Children
Drawing (Push) Pins (aka Thumbtacks)
Dressmaker Pins
Linchpins
Pin Factory (Adam Smith's case study)
Protest Pins or Buttons
R-clips (Cotter Pins)
Safety Pins (1849)
Jumps
Needles