Well if you can't pin the mocking jay pin on, then there's your answer.
Mockingjay's are first mentioned when Madge gives Katniss the Mockingjay pin.
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Katniss promises her that she will wear the mockingjay pin durung The Hunger Games.
I'll try to answer this without ruining Catching Fire & Mockingjay if you haven't read them already, but it'll be quite hard. Ok, so the mockingjay pin stands for good luck, and is meant to keep you safe, but Katniss, without realizing makes it more. The mockingjay pin turns into the sign of Panem's rebellion and Katniss is the face of the rebellion. Hope this helps :)
It is a mockingjay pin with the hunger games written on top you'll know what a mockingjay is when you start reading
I know that they sell mockingjay pins and other Hunger Games merchandise at Toys R' Us.
The mocking jay pin has a mocking jay with an arrow through the bottom and it is a dull gold.
Rebellion from the capitol
it represents that as long as you have the pin nothing bad will happen to you.
Cinna