Many spiders use the silk from the spinnerets on their abdomen to make webs to trap their food. These webs are often very complicated structures and it can take a long time to make a perfect web. Spiders can produce different types of silk. In the web the spider has sticky threads, to catch the prey. But the web also has threads that are not sticky so that the spider can walk around without being caught in its own web.
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Because of its legs.
Many spiders use the silk from the spinnerets on their abdomen to make webs to trap their food. These webs are often very complicated structures and it can take a long time to make a perfect web. Spiders can produce different types of silk. In the web the spider has sticky threads, to catch the prey. But the web also has threads that are not sticky so that the spider can walk around without being caught in its own web.
by its secretion