I have a short and thick neck, but I want to have a thin and short neck. I have trapezius muscles and a thick neck. Is there a way to make a thin and delicate neckline? ㅠ Is it effective if I get a neck slim injection or a trapezius muscle injection? Please tell me the reviews of people who have had it. The neckline is too complex. The clothes don't fit well and I have to cover up my middle and middle feet all the time.