Wallet, English Wallet, Japanese called "Choi cloth."". The word "Wallet" refers to the flat packet of paper money.
A decent purse will make you more attractive when you pull out your wallet, especially when you pay for it.
First of all, it is necessary to popularize the categories of wallets:
Breast Wallet (ultra-thin long wallet, theoretically called chest bag, no problem)
The biggest feature of this rectangular wallet is thin, the money does not need to fold, you can hold the necessary card, but not thick. Then put it in the inside of your garment. It will fit perfectly in the chest pocket, not a large part of the chest.