AAA card.
Used it last week between dives - when I locked in my keys - to get my truck opened back up so I could get to tank #2. Another reason, I guess, for recreational divers to go to doubles: If you lock your keys in your car, you can still make dive #2.![Winking :wink: :wink:](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Used it last week between dives - when I locked in my keys - to get my truck opened back up so I could get to tank #2. Another reason, I guess, for recreational divers to go to doubles: If you lock your keys in your car, you can still make dive #2.