Thick hollow: Before using this command, you must use the Text Tool to enter a new file or an open image. This provides a solution, first write the text, then set the transparency to 0%, and then double-click the text layer settings.
Hollow characters: also known as double hook calligraphy. Double Hook Calligraphy The "five-finger method" of double hook calligraphy, also called "double bracts", is a writing method.