Flee Tool is exactly what it says. This tool will allow you to pick a speed of how fast you want to have your character run and bam! You go that fast.
There are diffrent settings for the tool:
Slow
Normal
Striders
Mazurka
Flee
Flee++
HyperSpeed
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Please note you will need the FFXI Windower to use this program, as well as the Namechanger.dll for this to work!! Load the namechanger dll to for the window name to stay the same and then use the flee tool.