The loom is loaded with the machine and the weft is channeled into the spindle. It is in the traditional loom discontinuous reciprocating movement, in the circular loom on the continuous circular motion, China in the Warring States period to the Han Dynasty has used the shuttle, the modern general shuttle is made of Persimmon wood, oak, laminated wood or nylon materials.
The front and back of the shuttle wall coated with plastic or affixed with hard paper as a protective layer, the shuttle is often loaded with bristles, nylon wire, fur or plush flannel, etc. to prevent weft removal when the weft. Spindle tips made of carbon steel, after heat treatment to obtain a certain hardness, the shuttle back wall and the bottom of the angle of 86.5 °, 87 °, 88 °, 90 ° and so on. The sharp corners are used to improve the stability of the shuttle.