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 |
|---|---|---|---|
| #1183 | Unknown | 14c037c2… | |
| #973 | Unknown | 14e208b3… | |
| #1275 | Unknown | 1535e61b… | |
| #1235 | Unknown | 153efb9b… | |
| #902 | Unknown | 154bb4f4… | |
| #198 | Unknown | 156f42c0… | |
| #488 | Unknown | 15776f15… | |
| #1010 | Unknown | 15dd422b… | |
| #78 | Unknown | 15deab79… | |
| #1077 | Unknown | 15fd8498… |