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 |
|---|---|---|---|
| #1209 | Unknown | 0b43d903… | |
| #476 | Unknown | 0b68be5f… | |
| #112 | Unknown | 0bb9c080… | |
| #1449 | Unknown | 0c464a09… | |
| #1146 | Unknown | 0ccbf0e4… | |
| #1313 | Unknown | 0cdbf8bc… | |
| #878 | Unknown | 0ce45ca6… | |
| #968 | Unknown | 0d3a4ffb… | |
| #541 | Unknown | 0d46ae24… | |
| #1032 | Unknown | 0d7754df… |