Constraint System Manual

Locked Track 

LocekdTrack constraint, is kind of like LookAt constraint, but the main difference is that it only rotates around ONE axis.

So you could imagine it as a compass, and the target is the magnet.

Check the preview image below:

LockedTrack1 


Here we explain each options in the LockedTrack editor;

LockedTrack2 

Target

The target transform, this constraint needs this target to work;