They haggle over price in front of camera
It did not bother them that the backlane was brightly-lit.
They also didn't mind that a surveillance camera was pointed in their direction from about 10m away.
With brazen disregard, the 10 streetwalkers, dressed in tank tops and hot pants, or tight dresses to accentuate their figures, went about their trade.
Near them were three foreign men whose job was to promote their range of sexual services.
We encountered the group as we used the backlane as a shortcut from Lorong 16 to Lorong 14 on Wednesday night.
A Bangladeshi blocked our path and while pointing to a woman in denim hot pants and a lace-trimmed tank top, said: "Brother, come see first lah, see first."
The woman looked in our direction and smiled shyly.
"They are very beautiful. These Indonesian girls give good service," the man added.
I asked: "How much?"
He flashed three fingers and said $30 for a quick session before describing the various sex acts the girls could perform.
Oddly, the women did not sound Indonesian when they muttered a few English phrases to us.
We told their "promoter", who said: "Oh yes, sorry, they're from Thailand."
As we haggled over the price, two other men took up positions at the entrance to the backlane.
A man straddling an electric bicycle was focusing on approaching vehicles at Lorong 16.
Unlike working girls who congregate along Geylang Lorong 12, Jalan Suka and Talma Road, these women kept their hands to themselves.
We soon understood why. A chubby local man sitting on a black sofa about 3m away was irked by our indecision. He looked and sounded like he was the pimp.
He shouted to his foreign assistants in halting English: "Hoi, tell them if not interested, get lost! I can give two for $50. If still don't want, go away."