Editing : Edit Modes and Tools : Using the Trim Tools

Using the Trim Tools
Trim tools provide clip, note, and data trimming functions. The following Trim tools are available:
*   
*   
Time Compression/Expansion Trim tool; also called the TCE Trim tool
*   
Scrub Trim tool (Pro Tools HD and Pro Tools with Complete Production Toolkit Only)
*   
The Standard and Scrub Trim tools are only constrained by the boundaries of the whole-audio file referenced by the clip. The TCE Trim tool is only constrained by the maximum TCE amount when using the TCE Trim tool.