Do not top you plants until after the 4th node....

NEVER top as a seedling.

Yes you will grow two main kola stems intead of one.
However, they will not be of the same quality...in MY OPINION ONLY!

You can also top your secondary growth shoots and double those stems...

But be sure to understand it slows growth for a bit, shocks the plant and in some opinions, the more you do it the less the quality.

Some opinions only, none that i know of to be fact.

I dont like to top.

And when I post a pic of Cunt's Main Kola tonight, you'll see why I am content with what nature provided.