Quantity   Component name
1 × Hula Hoop Seriously
4 × large and four small binder clips
8 × mini bungee cords about 9" - 10" long. We made our own, from parts.
1 × The clear face from a cheap wall clock -- or some other piece of trash
1 × A balanced, buffered, phantom powered contact microphone such as the Cortado from Zeppelin Design Labs; other contact mics may w
1 × A blob of poster putty or a bit of carpet tape
1 × You will also need something to plug your mic into so you can hear yourself: a recorder, a mixer, the stereo or even a computer.
1 × Bracket to support the hula hoop Optional
1 × Mic stand Optional
1 × Portable Phantom Power Supply, such as the Espresso by Zeppelin Design Labs. Optional: http://zeppelindesignlabs.com/product/espresso-portable-phantom-power-supply/
1 × Special adapter to plug your balanced mic signal straight into your cell phone http://zeppelindesignlabs.com/product/smartphone-microphone-adapter-cable/