My woodworking used to be done on a Black & Decker Workmate. There are a lot of woodworkers around the world who work on the ground. The bench is just a way to hold the work. It doesn't have to have four legs and a vise.
jtk
"A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty."
- Sir Winston Churchill (1874-1965)