Moving linksets in mouse look have an issue where they break apart when the agent moves. This can only be seen by the user in mouse look. People looking at you while this is happening do not see the same thing nor do you the user see the same behavor out of mouse look.

I've recorded a video of the problem here:

I have already submitted this issue over a year ago and it was reproduced by Dan Linden as well as fixed by NiranV Dean of Black Dragon.

The original JIRA request and conversation can be viewed here.

[BUG-234368] Attached object interpolation in mouselook is broken.