To cultivate inmates as the suicide prevention gatekeepers, Taichung Prison continued to offer the 4^th "Happiness Catcher" training program. Diverse media was designed to use in the course so were playful experiences and handouts designed in an easy way to study, to let participants get to understand the suicide myths through play, leisurely learn about how to recognize emotions, apply empathy, identify and be aware of the suicide signs and illness. Inmates thereupon enhanced their sensitivity to emotional experiences, were able to care for themselves and others in a proper way, recognized the need to seek assistance, and consequently fulfilled the role of gatekeepers with the functions of "care, support, and referral."