You have no little advice for cutting? When to sta...

Since you have already started on some lst you can continue with that and get similar results to topping. That girl is bushy though so some of those big top leaves are blocking light to lower budsites. I would inspect under the top leaves and if there are little branches under them then pluck the big leaf off. I would start with like 2 leaves in your case and give her a day or 2. As long as she is still showing fast growth then take a couple more off. Just keep that routine until you have lots of branches growing up. It is definitely a learning process on what leaves should stay or be removed.

Ok after looking at your Plants, i would say, rise the Light. Plants growing dense with ashort internodial distance. And back to the cutting question... I wont take away anything atm... rise the light let her strech, and after this ( next week, You can clean her " feets" looking for shoots and leaves in the lowr 30 Percent of grow. Start with LST if she has stretched. I let you an article about defoilation https://www.growweedeasy.com/defoliation Because its along theme and alot to say about it. Remember, dont take away to muich on aautomatic plant, because her life is limited. And everything you take away the plant tries to regrow. But you can go with topping and LST and if you see prflowers, you can pick away some leaves...