>>4815170what holds it:
first you need a tube, a pipe or tunel if you wanna call it.
indded some just use a ring.
to do:
are you learning web or making coffee, clean water ?
its shape:
corsses lines, cables what ever..
how it works:
big shit gets stuck, so few shit or just the liquid pass..
in a micro maner or technologic maner, not so difrent..
