If you happen not to get around to doing this until later in the season, you may resort to less elegant solutions...
... for example, smushing them together in an impromptu fence made of plastic trellis and parts of a plant stand... you might do this... but you shouldn't.
P.S. The tomatoes did recover but next year, I vow not to bother with those puny so called tomato cages. My robust babies need better support.
Want to see more tomato abuse?
Gardeners, Plant and Nature lovers can join in every Sunday, visit As the Garden Grows for more information.