Oral ROA lends itself well for both-worlds-presence.
This is what shamans do when they are doing their thing, they don't lay down waiting it to be over, they rather make a practice while simmering in the energies. We can debate rather those practices are hoax or not, but they do make their act while under the influences nonetheless.
As of late I'm trying to be active too while in-there. If it's too deep it's difficult thus choosing your dose wisely helps if your aim is to able to do something.
Happy trials