hot to memorize ㅅ ㅈ ㅊ Hi my friend Im here to attach image of my note. This would help you to memorize. Easy and fun way is the best in learning. Im looking for. ㅅ write 2~3 ㅅ. Like this ㅅㅅㅅ You can see 'S' in their wavy shape. ㅈ add one curved line on J then you will see ㅈ ㅊ turn 'ch' 90 degrees. Add curved line. And make 'c' straight.