Bombyx mori their lifecycle, and enclose themselves in a cocoon made up of raw silk produced by the salivary glands. The final molt from larva to pupa takes place within the cocoon, which provides a vital layer of protection during the vulnerable, almost motionless pupal state. Many other Lepidoptera produce cocoons, but only a few—the Bombycidae, in particular the genus "Bombyx", and the Saturniidae, in particular the genus "Antheraea"—have been exploited for fabric production. If the animal is allowed to survive after spinning its cocoon and through the pupal phase of its lifecycle, it releases proteolytic enzymes to make a hole in
Mori Chack Mori Chack Mori Chack (森チャック "Mori Chakku", born on March 23, 1973) is the artist name of a Japanese graphic designer, who was born in Sakai, Osaka, Japan. He is famous for his Chax product line, and especially the character Gloomy Bear, a 2 m tall, violent, pink bear that eats humans. The design is an antithesis to the excessively cute products produced by Disney, Sanrio's Hello Kitty, and other companies. Mori Chack believes that humans and animals are incompatible, and an animal is wild by nature. This is expressed most pronouncedly by the "Gloomy Bear", which is often shown