How to leave footprints in calligraphy

Dip your feet in red inkpad and print them on calligraphy. According to relevant data, performance art is a popular way in contemporary times, and calligraphers are also ingenious. When giving a baby a full moon, or a birthday, or sending calligraphy works to relatives and friends, only write the words of contentment, leave the feet blank, and let the owner dip the baby's footprints with red inkpad. Achieve an interesting effect.