#7 Shar-Peis were often used for dog fighting in southern China and were often given alcohol and other stimulants to increase their aggressiveness and performance.
#8 When viewed from the top, a Shar Pei’s mouth should either be in the shape of a round roof tile, which is known as “roof tile mouth,” or it should be a wide jaw in the shape of a toad’s mouth.
Which is known as "toad mouth." Both types of mouth give the Shar-Pei a firm bite.