In most part, a Hare Krishna monk spends so much of his time chanting mantra – either silently (when alone) or audibly (in a group). 'Mantra' means to free the mind. And in Hare Krishna ...
Once all the bhog prasad is ready, offer it to the Lord and spend the day chanting his name and reciting mantras ... Namah Hare Rama Hare Rama Rama Rama Hare Hare OM Shri Krishna Sharanam Mamah ...