Got to check out this Synful club just blocks down from Potrero General Hospital is this hidden treasure in the Mission District. Located at 2730 21st Street San Francisco CA 94110 (At the corner of 21st and Byrant). The Synsation of fun begins Thursday and Friday between 5pm till 2am (don't miss out on their happy hours before 8pm), or be there on Saturday between 8pm till 2am. Bring a large group celebrating someone’s special occasion, i.e., birthday, annaversary, holiday, promotion, etc., that you would want to be sure all have a place to put your drinks could call in to make a reservation (415) 647 6546. Choose either the cozy couches, booths or sit by the front entrance by the windows facing the bar otherwise all unclaimed areas are available for your taking.