: Allows you to "peek" into the contents of the full archive (e.g., viewing a 3D model or document index) even if only Part 2 is currently downloaded, by using metadata headers.
This feature would solve the common frustration of dealing with multi-part .rar files (like a "Part 2") where one segment might be corrupted or missing. sc25068-TMH.part2.rar
Given the "TMH" and "sc" codes, this might be related to: : Allows you to "peek" into the contents