Pretty well too late, once a plant gets this far into flowering, it is very hard to get it to clone and grow healthily back into veg growth.
4 weeks ago would have been ideal timing............
Yes it is possible. Best cloning method is really your choice. But to increase rooting time and chance of a successful clone, go with a hydroponics cloner. I have seen better results with my Oxyclone DWC system then anything else.
I'm not really sure, but I think your plant missed the harvest day!! If I'm wrong, please someone explain to me! Why does the top keep producing new flowers! Thanks!