There may be one spigot or several allowing spiders to combine filaments to get silk with the exact properties that they need ...

Silk type: mulberry silk | Closure: zipper | Machine washable: yes This pillowcase is made of 100% mulberry silk and has a hidden zipper to keep it closed. It has a momme grading of 19 ...

For example cribellate silk is very woolly. Jan adds, 'Cribellate silk acts like Velcro, sticking to the legs and bristles of captured insects.' Each type of silk gland is associated with a particular ...