It only really works if you sit like i do when on the couch, slumped back with feet resting on the coffee table..
But, it's also handy for use in bed.
In both instances it helps reduce neck strain, keeps the screen at eye level and keyboard easy to see & use
Step 1: What you Need
Two lengths of 3 1/2 " x 1/2 " cotton webbing
Sewing Machine or Needle and thread.