Flip Knife Doppler is a CS:GO Covert knife skin that was introduced to the game as a part of the Full Spectrum Update that launched on January 8th, 2015. The Karambit Doppler comes in only two exteriors, them being Factory New and Minimal Wear. It also can have the StatTrak technology attached to it. The skin can be obtained as a random reward from three different CS:GO weapon cases, Chroma Case, Chroma 2 Case, and Chroma 3 Case.
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