Introduction: Pre-surgical mapping is clinically essential in the surgical management of brain tumors to preserve functions. A common technique to localize eloquent areas is functional magnetic resonance imaging (fMRI). In tumors involving the peri-rolandic regions. the finger tapping task (FTT) is typically administered to delineate the functional activation of hand-knob area. https://www.greenresourcesredux.com/product-category/pomade/