There are two parts of me. The first part is like a pop can, If you do a certain action it makes a mess. The second part Is sharp and thin and is used to pierce flesh. Who or what am I?

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Incorrect Guesses
peasinapod. shakeneedle elephantars mmmmmmmmmmm elggdffghfv abcdferghji asdefghjikl
The first user to correctly answer this riddle was TheRiddle3r