What most naturally follows?

How to use a trap bar for deadlifts 
Load the bar. 
You can practice deadlifts with a trap bar without any weight on it to get a feel for the apparatus. Then, you can add light weight when you feel ready.
If you've done other sorts of deadlifts before, you should know the mass you're comfortable lifting. Standard size trap bars weigh 35 pounds, classic trap bars weigh 45 pounds, and xl trap bars weigh 55 pounds.