go to tieatie.com
All you have to do is cross it over , loop it and go round it and voula you've done it!
it stands for Twin Ion Engine, which was the standard means for small spacecraft propulsion during the Imperial Era.
windsor knot hang tie over neck with the fat part on the right side, then right over left. then put right over left again, it should kind of like a cone. put fat part of tie through the cone between...
I think it's Twin Ion Engines