Why isn't local transform orientation doing anything? Very easy problem to explain: the local transform orientation is not doing anything. Which is a problem because I want the bottle to move exactly down a certain axis. Tapping the axis twice does not do anything either.



Thank you in advance for any help!
It looks like you have applied transformations using CTRL+A.
If so, you can try enter Edit mode and select Transformation Orientation to Normal.

Another option is using for example a model's edge and move the model's geometry by it's normals, then reset the origin - like this: