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 |
|---|---|---|---|
| #681 | Unknown | 0ee83e40… | |
| #278 | Unknown | 0ef6c91b… | |
| #952 | Unknown | 0f0df7cb… | |
| #366 | Unknown | 0f517406… | |
| #799 | Unknown | 0fa36d47… | |
| #909 | Unknown | 0fb755b8… | |
| #693 | Unknown | 0fc7fbce… | |
| #611 | Unknown | 0fd5d486… | |
| #567 | Unknown | 0ff144d7… | |
| #96 | Unknown | 101f3840… |