The ends of the yoga bangles symbolize the main nadis (ida, sushumma, and pingala) and the rise of kundalini. They end in a single point and are unique and different, as we carve them individually. Here we explain their meaning.
The golden ratio (Φ) [1.618033...] is a constant present in the human body, nature, and the cosmos; it has spanned space-time from ancient times to the present day as a symbol of beauty and mysticism. And the ancient rishis incorporated it into yoga bangles!
If you haven't understood what chakras do, how to exercise them, and what they are for, as well as their relationship with prana and kundalini, after this brief and simple reading it will be very clear to you ;-)