Textile is an animal textile made from the fibres of the cocoon of the Chinese silkworm which is spun into a smooth fabric prized for its softness. There are two main types of the silk: 'mulberry silk' produced by the Bombyx Mori, and 'wild silk' such as Tussah silk. Silkworm larvae produce the first type if cultivated in habitats with fresh mulberry leaves for consumption, while Tussah silk is produced by silkworms feeding purely on oak leaves. Around four-fifths of the world's silk production consists of cultivated silk. Grass, rush, hemp, and sisal are all used in making rope. In the
Silkworm (video game) game's manual to mean both "Special Weapons Intercept Vehicles" and "Silkworm IV". "Silkworm" was released at a time where side-scrolling shooting games were among the most popular genres - it was released at the same time as "Forgotten Worlds", "Sanxion", "Mr. Heli" and "DNA Warrior". The Spectrum version took 3 months to program from start to finish, and was a copy of the Amiga version, which was almost arcade perfect. The game reached number three in the UK Spectrum sales charts, behind "RoboCop" and "Dragon Ninja." In November 1990, Virgin would rerelease "Silkworm" as part of the "Edition 1" compilation,