Originally Posted by Scottcool
tool assisted means using a program (a tool) to cheat/make perfect speedruns. You can create and load saves at will, slow the game down and then compile all the attempts into a perfect speedrun with all the fails removed.
They can be cool sometimes. Ever seen those Mario 64 ones? Holy balls lol.
As for Trials or any game with leaderboards, they need to be kept out. Not sure if they are even in the game, but regardless.