No, we also pinch out tomato shoots that grow at the ‘shoulder’ where the fruiting branches join the plant stem. We get rid of these so the plant channels its energy into flowering the fruiting.
By pinching the side shoots, you can stop the plants from trailing all over the place and allow you the chance to control where the plant grows. How do you support hanging tomato plants?
Growing tomatoes from seed is easy and ... snap out shoots that grow in leaf joints and when your plant has produced four sets of flowering trusses, pinch out the growing tip.