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 |
|---|---|---|---|
| #1463 | Unknown | 1609379f… | |
| #1170 | Unknown | 166f541b… | |
| #391 | Unknown | 16a5b592… | |
| #708 | Unknown | 16b5b251… | |
| #853 | Unknown | 16fc927b… | |
| #285 | Unknown | 16fdceb7… | |
| #1261 | Unknown | 1703c3fc… | |
| #1323 | Unknown | 174ed4ef… | |
| #1055 | Unknown | 175b34c0… | |
| #464 | Unknown | 17a0b661… |