The Silo Jack SE is my burliest contact microphone, well-suited for heavier scrubbing, aggravating shrub work, and feedback worship. Here's the deal: the piezo element is fitted into a slice of PVC tubing and mounted solid with silicon. There's even a red-button kill switch if you want to get glitchy. On top of that, the SE is terminated to a four foot audio cable and 1/4" male guitar input; it's ready to plug in and play. Hand built with love, sweat, and beers. (And noise…)