Skewers are a log or metal that is used to unite food together. This bar is used when baking or burning meat, and in other culinary applications. Metal skewers are usually stainless steel with sharp edges. Non-metal skewers are often made of bamboo; but any wood can be used. Before baking, wood skewers must be poured with water to prevent it from burning.
There are various types of skewers used in making satay, some from bamboo, from wood and from bicycle bars. It's unique, but it happens because as many types of satay appear and many innovations are found in making satay. The skewers that are most widely used by satay sellers are bamboo skewers because in addition to their cheap price, it turns out that the bamboo skewers are also a good conductor of heat.