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 |
|---|---|---|---|
| #517 | Unknown | 1fa41027… | |
| #396 | Unknown | 1fdab9ea… | |
| #1242 | Unknown | 1fea4207… | |
| #475 | Unknown | 1ffb009f… | |
| #1320 | Unknown | 20171831… | |
| #1340 | Unknown | 202db6d4… | |
| #1001 | Unknown | 205e6a1b… | |
| #95 | Unknown | 20f399ea… | |
| #348 | Unknown | 20f5ef58… | |
| #1433 | Unknown | 21134924… |