https://youtu.be/fVF4T0OXHkU https://youtu.be/fVF4T0OXHkU
Starts at about 10:30... If that's not vikalpa, I guess it might based on the same principle, or whatever, as doing saMyama on kaayaakaashayoH (kaaya [body] and aakaasha's) sambandhaH, that is, it increases(?) aakaasha* inside the pair of (neodymium?) magnets. * According to Bhojadeva, aakaasha is avakaasha-daayaka, "space-giver"
