In my head the xenomorphs can also spit some kind of sticky liquid and they use it to attach stuff. Either that or like some insects or similar there are micro stuff on the surface that works.like Velcro and stuff gets attached to it/trapped.
In my head the xenomorphs can also spit some kind of sticky liquid and they use it to attach stuff. Either that or like some insects or similar there are micro stuff on the surface that works.like Velcro and stuff gets attached to it/trapped.