There are many places one might expect to be prevented from entering by security guards.
At a basic level, it comes down to the fact men and women have very different ideas when it comes to underwear.
“In the past 10 years, I never found my size or the bra shape I wanted,” Hira Inam, 27, told the BBC as she stood outside Anarkali market in Lahore.
“I have spent a lot of money, time and energy on finding a bra that fits or that is comfortable against my skin,” another woman says, refusing to give her name.
In time gone by, word of mouth has proved key.
But with the switch to digital, these magazines have fallen by the wayside.
And it’s not like women can be tempted into a shop by a window display.
When I eventually joined, I initially felt shy passing on the stitched bra to another female colleague.
Now the factory workers have other worries, however.
“I have been told that I should look for something alternative to do in Pakistan, as it is a losing idea to sell underwear,” he acknowledges.