I've never tried a 2-girl before...those two sentences above have now convinced me that I absolutely must do...
Yes, it's certainly a graphic description, Woodstock; but I'd be a bit warier. Early in my punting career, when I was filling in the gaps in my experience, I had a two-girl in Manchester. The girls in question both worked in Parlours in the city and offered a two-girl from a flat on the fringe of the city centre on days when they weren't working in their Parlours.
In my naïvety, I wasn't aware of this fairly elementary advice which smiths offered earlier in this thread.
Firstly do you want the WGs inter-acting with each other and you or just you, i am only interested in the latter but the former is more popular. If you are wanting them inter-acting it really isnt just a case of putting two WGs together, far far better if they have worked together before and i would advise you at least punt with one of the two if not both individually first. Finding genuine Bi WGs isnt as easy as it sounds even if you only want them concentrating on you. You need to research carefully, i would advise picking any old two WGs you dont know.
I would advise going for a threesome at HODs 1 or 2 and checking up FRs to see who has any for threesomes with other punters.
Once you have picked the WGs have an outline of what you want to do during the punt, i like stereophonic dirty talk, one WG in each ear and double cock sucking for examples. Although you can of course change things to suit i always find it useful to have a plan of what i want to do, it saves a lot of timewasting in my experiences. Also remember the chances are you will have to change condoms to shag each WG. Overall, enjoy and have fun, being nervous is natural.
As a result, it felt like I'd paid the girls to enjoy themselves and I hadn't felt like a participant in the event. As ever, "caveat emptor
has to be our motto!