2) I'd recommend washing the cup in cold water with a little salt in it, and then rinsing it with plain water. That should remove any unwanted energies. As for the wine, no, that's actually quite common.
3) I don't, but it sounds fascinating. I know there are books on the esoteric side of aikido, but since it's been many decades since I practiced that art, I haven't kept up on what's available -- and the wider field of interfaces between martial arts and esotericism is probably too large for any one person to know well!
Re: Pantheons, Wine Offerings, & Aikido
2) I'd recommend washing the cup in cold water with a little salt in it, and then rinsing it with plain water. That should remove any unwanted energies. As for the wine, no, that's actually quite common.
3) I don't, but it sounds fascinating. I know there are books on the esoteric side of aikido, but since it's been many decades since I practiced that art, I haven't kept up on what's available -- and the wider field of interfaces between martial arts and esotericism is probably too large for any one person to know well!