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 |
|---|---|---|---|
| #739 | Unknown | 1378c492… | |
| #923 | Unknown | 137f1b51… | |
| #970 | Unknown | 137f8bb7… | |
| #1186 | Unknown | 13b4717b… | |
| #365 | Unknown | 13c0338b… | |
| #294 | Unknown | 13dc1572… | |
| #1310 | Unknown | 13f5969d… | |
| #424 | Unknown | 1451a676… | |
| #203 | Unknown | 149bee02… | |
| #862 | Unknown | 14beb37c… |