A spot of shopping?
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From: Exploring the Throat
Action Cost: 0
There is commerce, up on the Roof. Halting and irregular, perhaps. But some goods can only be procured up here.
Unlocked with 
Lung and Spleen
Success
The upper markets
[...] you do not find anything like a shop window [...] But there are, here and there, little market stalls [...]
The Starved Men seem not to use money for base necessities [...] But luxuries, trinkets, clothing, printed matter... they do seem to buy and sell those.Success Instructions: Hallow's Throat has an exchange, as do other major Roof locations. You can access it through the Bazaar tab.
