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 |
|---|---|---|---|
| #1025 | Unknown | 17ae7dbe… | |
| #609 | Unknown | 17d0edf9… | |
| #270 | Unknown | 1817d21f… | |
| #634 | Unknown | 182271de… | |
| #448 | Unknown | 183b1685… | |
| #394 | Unknown | 18677a9f… | |
| #188 | Unknown | 186e22eb… | |
| #1327 | Unknown | 18b2195c… | |
| #177 | Unknown | 18b51f44… | |
| #727 | Unknown | 190bb058… |