Jaesa Willsaam Light Customization 1
The Jaesa Willsaam Light Customization 1 is a Taris Companion Customization Vendor (Imperial) item which can be found in Star Wars: The Old Republic.
To get this companion customization, simply go to the planetary Companion Customization Vendor and purchase it.
Jaesa Willsaam Light Customization 1:
Original Light-Side Jaesa Willsaam:
How to get the Jaesa Willsaam Light Customization 1
The Jaesa Willsaam Light Customization 1 is a customization you can purchase directly from a vendor in-game, you don't need to purchase it from another player and there's no secret way to get it. All you need to do is go to the vendor and buy it, and most companion customizations only cost between ten thousand and twenty thousand credits.
The Taris Companion Customization Vendor on Imperial side is located in the vendor area near where you load in. The vendor is a human named Keth standing by a tent. The quickest way to get there is to use the Belsavis heroics quick travel (otherwise just fly there on your ship). You'll likely be able to find this customization at the Belsavis abnd Ilum planet customization vendors as well.
This customization can also be purchased on the Republic side from a vendor called Keltas Gurn, Companion Customization Importer located in the Cartel Bazaar section of the fleet (northern elevator, there's a quicktravel point there). The vendor is inside a shipping crate.