When we studied the golden ratios of yoga bangles in depth, one of the main parts was their shape to maximize the contact points with the skin and the other was the ends, which when we put the bangle on should (generally) be next to each other (for example: closing on the wrist or forearm).
Once we met the exact measurements, maintained by the rishis, necessary for them to be a source of awareness, protection, and spiritual progression by activating the switches for the rise of kundalini, as Yogananda explained, our main concern was the extremes of the bangles.
The models we had from India and the SRF ended in three round, welded threads, somewhat separated and snagged on clothing. So, after rereading their properties and delving even further into the path of kriya yoga taught by Yogananda, we knew we had to shape the ends, softening them into an arrow shape so they ended in a single thread (representing the Unity of All That Is, in its Advaita aspect).
The three threads came to symbolize the three main nadis*: sushumma, ida, and pingala, tangled together (in their tantric version).
Interestingly, when filed and shaped into an arrow, a central, empty hole emerges, similar to the ependym canal (which Amable Díaz often pointed out to us in his classes) through which cerebrospinal fluid circulates and kundalini (the energy we seek to awaken with kriya yoga) must rise.
Although everyone respects this symbolism, the most incredible thing is that no two ends are the same because we shape them by hand, one by one, with the strokes of a file.
My belief is that their shapes depend on the energy of the person who orders the yoga bangle and the care with which we make them for them; like a kind of energetic fingerprint.
We'd love to hear from you if you have any questions ;-)
