xiàxuánxiāoqiú
ㄒㄧㄚˋ ㄒㄩㄢˊ ㄒㄧㄠ ㄑㄧㄡˊ
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 下旋削球 and it comes back until you know it.