Hammer Jammer

Latest Updates

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New-and-Improved Hammer Jammer 2015 Available Now; Watch a Demo Video

By Damian Fanelli

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Hammer Jammer Key-Hammering Device for Guitars Available for Preorder — Video

By Damian Fanelli

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Video: Hammer Jammer Is a New Percussive Device for Electric and Acoustic Guitars

By Damian Fanelli