What does it mean to have eight gongs in your hand?

Gong refers to the spiral on the fingerprint of each finger!

tall

Two gongs are clumsy.

Three gongs and four gongs are handwritten.

A flower horse riding five gongs and six gongs

Seven gongs and eight gongs are official.

Nine palaces and ten palaces grow agricultural goods.

Riding a flower horse means having a sense of security and enjoying yourself.