The Double Down has been a stop for our last couple trips to Vegas en route to the hotel.
Where do I start... This is a no holds barred dive bar from hell. Don't expect any fancy decor or, for that matter, even decent lighting. The first time I walked in, I was so disoriented by how dark it was compared to how sunny it was outside I about ran into the wall (could have been the booze from the flight, I suppose).
The a$$ juice is their signature shot and I think it's pretty good (think Hawaiian Punch and booze concoction). It was $4-5 per shot which is fair but not exactly a bargain. I haven't heard anyone who liked te bacon martini so I would avoid it.
I have only been there on weekends mid-afternoon and both times it was dead... I would recommend going at night for the crowd or trying their weekday happy hour.
I give DD Saloon 4 stars for the easy to get to location (by car, not walking), close parking, great weekday happy hour, and overall raw dive bar vibe. I would go 5 stars if they ran their happy hour all weekend. Judging by the mid-day crowd they have no reason not to. Still, it's a good spot to meet up with a group for a quick happy hour to get your Vegas trip started the right way.