Posted by SURAJ MADHUSOODHANAN PILLAI on Dec. 20, 2014, 9:23 p.m.
they are made of a strong pliable protein produced by the glands in the abdomen of spiders.
Posted by SURAJ MADHUSOODHANAN PILLAI on Dec. 20, 2014, 9:23 p.m.they are made of a strong pliable protein produced by the glands in the abdomen of spiders.