Personally, if I'm in a coffee shop or any store with some people, I pull out my wallet and subtly show them my Xapo debit card.
If you'd be doing this here you will quickly lose a lot of friends.
Around here only gypsies are opening their wallets wide so anyone can see how many cards or notes they have in.
You're better of wearing bitcoin t-shirt.
There are some really cool ones for sale. (with btc of course).