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You will find the oriental massage places on fisherton street, and the Chinese house near to fisherton street / the railway station
In the massage places then you pay for the massage and may get the opportunity to buy a bit extra.
In the Chinese house you pay for time and get what you would expect
There are some other girls on adultwork in the area but I have not had the experience with them
I have put up some reviews on the Chinese house, the girls rotate and won’t be the standard profile that gets listed so services may vary