If you get there at 10:40am, you can do the downstairs as a walk up. They take your name and you wait in line off to the side. Once 11am hits, they seat all their reservations first, then start seating people on the list. We did this 2 weeks ago and were first in line. We were seated at 11:05 and put at the inside bar. They seated plenty of people behind us in line at tables inside. You get NO say where you are seated. Parties of 1 or 2 are placed at either the bar or communal tables. The tables for 2 inside are held for those with reservations, we were told, although most stayed empty the whole time we were there. When we left about 90 minutes later, the place was still half empty.