Crystal meth

Hi there, that's the first time I've seen such an early LST on a seedling, looks very legit to me. I plan to transplant my seedlings in a week (they are currently 7 days old) in bigger pots and expose them directly to the sunlight. Their stems is quite long, just like yours back in week 1. Overall do you recommand the LST you did ? Do you think it can slow down the grow of the plants ? Thanks in advance, wish you the best for your growing !!