The dog *was* under control.
Put on the collar and then step across the “invisible fence”.
You’ll feel *very* “controlled”.
A *lot* of housing developments forbid the use of above ground fences so buried e-fences are quite common.
The ginormous receiver sticking out of the dog’s collar is quite obvious to anyone who’d take half a second to actually *look*.
“The dog *was* under control.
Put on the collar and then step across the “invisible fence”.
You’ll feel *very* “controlled”.”
That’s providing if the system works. I’ve seen cases where dogs with those collars roam freely beyond the “fence” because the idiot owner failed to replace the batteries.