The tools_trade.zip file you have requested: Media / Videos and Trailers / Thief 'Tools of the Trade' Trailer - 2.66mb is not available. Perhaps try browsing all files for the game Thief and upload any files you want to share or are missing. This is the only information we could locate:
This movie, done in the live action / animation style of Thief's cutscenes, shows some of the events that would happen in typical gameplay. This movie does not appear in the game, it's taken from the Thief non-interactive demo on the Eidos Demo CD.