The feet have minor Chakras comparable to the ones in the palms of the hands. It's logical that Reiki could flow from those Chakras just as easily as from the palms once you've been attuned even though the foot Chakras aren't specifically opened like the palm Chakras are.
I work for a company lpcated on a piece of land once occupied by ancient native tribes and the land has a realy funky energy. I was feeling Reiki being drawn through my feet so often that I finally had to get a piece of stone to place under my desk to help keep me grounded.
There are few things more annoying than a constant pulsing of energy through one's feet.
