Is this how I should condition my rooster (not for fighting)?

I have only two hens now and one rooster.
It is in plan to provide more than a dozen more hens to the flock-to-be.
The rooster lately has been leading the hens gradually and in small distances further and further from where we want them to free range.
I heard that a solution would be to tie him by one leg in to the place desired, and the hens would be passively trained to remain in that/those chosen areas.
I only want to limit their free ranging to certain territorial extents. I do not want to train my rooster to fight. Just to ‘teach’ him the boundaries.
How should I?
Is this method mentioned good?