There are two (2) ways to carry under TCC.  Concealed: no part of the handgun is visible based on ordinary observation.  Ex. handgun is not visible while inside a pocket, bag, holster, case, or jacket.  Open carry in a holster: a handgun that is partially or wholly visible based on ordinary observation must be carried in a holster.  Ex. handgun is partially or wholly visible while being carried in a belt holster, shoulder holster, ankle holster, appendix holster, pilot holster, chest holster, or backpack holster.