No, you can walk in
Nope.
I don't need a reservation to go but I tell you that the wait will be very long... but it is worth waiting for!!!
I didn't do it but we were 2 people and we were attended to right away. I suggest that if they go to more people, book it.
Yes
No.
For dinner, definitely! Usually a couple of days in advance. I walked in twice for lunch with no reservation. If dinner reservation not possible and you are nearby, walk-in for 2 persons is possible at bar or high table.
I'd recommend reservations for large groups.
No not for a small party. I do recommend it for a larger group.
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