The cloth sieve twists to get every last drop out without and dregs falling through. The bottom of the sieve is fixed, while the top is free to rotate about its axis. A tab present on the handle is pulled back to twist the cloth and squeeze its contents. It works on the principle of re-tractability, so once the tab on the handle is pulled back, once released, goes back to the original position and the cloth sieve unfurls. A stainless steel coil within a cogwheel is what allows the retraction