If standard soaks don't work (or in my more critical view, can't work), the solution then has to be a non-standard
soak... simply something we've all not thought of yet
The factors that line up against standard soaks are:
If we consider a cigarette to be a "dose" of WTA
(actually 10 doses due to the lousy delivery efficiency of burning tobacco), how can we get those doses into dose sized liquid quantities? We might have 15 mg of nicotine and tobacco alkaloids in 1 gram of tobacco, and if we can get it all out, and we want 30 mg/mL, our solvent volume is ...