| Clue | Source | Date |
|---|---|---|
| Advertise plumbing supplies? | Wall Street Journal | 07 May 2024 |
| *Sell plumbing inventory? | ||
| Tuning tools for a cappella groups | Wall Street Journal | 09 Dec 2019 |
| Devices for 5-Down directors | USA Today | 28 Jun 2017 |
| Devices for 5-Down directors | ||
| Instrument tuner's supply | ||
| Instrument tuner's supply | ||
| Chorus director's sounders |