We may have a lot of conclusion as to what "Mati work" is. The phrase "Mati work" refers to the forming of a same-sex relationship with another woman. Mati was considered sexuality as a flexible behavior rather than a fixed indentity. This "Mati work" in Suriname that women engage in was studied by an anthropologist name Gloria Wekker.
Below is an attached picture of the place Suriname highlited in blue.