The TS-1s Triple Shot Flat Mounting Ring Set lets you expand your tonal palette by accessing three unique tones from each humbucker on your electric guitar. This "stealth" pickup switching device allows you to access series, parallel and split wirings of any humbucking pickup with four-conductor cable via two switches on the mounting ring.The triple shot is easy to install. Just solder your pickup leads to the attached small color-coded circuit board. That's it. Push the two switches towards each other for standard series wiring; away from each other for parallel wiring; and both towards one coil (either one) to shut that coil off. Note: Will not fit Nickel and Gold covered Trembuckers.