Laptop Harness New Improved Design, Hands-Free Portable, Adjustable, Wearable Desk for 15” Laptops, Tablet, Notepad, MacBook, etc

Is there any way to push it out in front of you so that your elbows aren't bent at such a sharp angle? Lactic acid builds up fast!

Tell/show me more about the "elastic strap" which secures the laptop. i don't see it in the pictures. i have a lenovo x1 carbon ultalight notebook.

What are the dimensions of the desk surface?

Will this fit a large guy I am 350 pounds and 6 ft tall?