A hat for players who help on the test sites, and members of Madrak's Test Army, a former group dedicated to finding bugs in Roblox. This hat is given rarely.
| Player | Serial | Ownership ▾ | UAID |
|---|---|---|---|
| #969 | Unknown | 096639ac… | |
| #179 | Unknown | 09d0c963… | |
| #162 | Unknown | 09e2032d… | |
| #1374 | Unknown | 0a03f500… | |
| #819 | Unknown | 0a2dc614… | |
| #551 | Unknown | 0ab4b182… | |
| #1009 | Unknown | 0ac020fc… | |
| #564 | Unknown | 0aca93c5… | |
| #404 | Unknown | 0acf65b5… | |
| #1314 | Unknown | 0adaf32e… |