After Rotating Large attachments and the Attachment point it rotated farther than what is allowed. The Cliet see One and the Server see another. so otherr client will see a completely different postion that what you see.
Setup 0.5 box and another box that is 10m long in one dimension.
Color the small one Red
Llink it to the end of the long box making the small box the root.
Wear it on your skull.
Select the link set move it so the Red box is on your Head.
Select Rotate.
Use one of the rings and rotate it head over heal in order to flip it.
Close the edit box.
Now what you see is wrong.
Change your group title and watch it jump back down about 5m.
If you have two Computers which helps to compare what you see and what the server sees.