When Katniss volunteered in the 74th hunger games, her friend Madge, the mayor's daughter visited her and gave her a mockingjay pin and was very insistent that Katniss should wear it in the games:
Madge walks straight to me. She is not weepy or evasive, instead there’s an urgency about her tone that surprises me. “They let you wear one thing from your district in the arena. One thing to remind you of home. Will you wear this?” She holds out the circular gold pin that was on her dress earlier. I hadn’t paid much attention to it before, but now I see it’s a small bird in flight. “Your pin?” I say. Wearing a token from my district is about the last thing on my mind. “Here, I’ll put it on your dress, all right?” Madge doesn’t wait for an answer, she just leans in and fixes the bird to my dress. “Promise you’ll wear it into the arena, Katniss?” she asks. “Promise?” ~The Hunger Games, ch 3
Why was it so important to Madge? Did she know that mockingjays were the reminder of the Capitol's fiasco to spy on the resistance and thus a symbol of hope? After all, they were the result of the failed jabberjay experiment:
They’re funny birds and something of a slap in the face to the Capitol. During the rebellion, the Capitol bred a series of genetically altered animals as weapons. One was a special bird called a jabberjay that had the ability to memorize and repeat whole human conversations. They were homing birds, exclusively male, that were released into regions where the Capitol’s enemies were known to be hiding. After the birds gathered words, they’d fly back to centers to be recorded. It took people awhile to realize what was going on in the districts, how private conversations were being transmitted. Then, of course, the rebels fed the Capitol endless lies, and the joke was on it. So the centers were shut down and the birds were abandoned to die off in the wild. Only they didn’t die off. Instead, the jabberjays mated with female mockingbirds creating a whole new species. ~Ibid
Why was it so important that Katniss should wear it? Did Madge think that people would recognize the symbol (as Cinna and Rue did) and assist her friend?