A man walks into a Chinese restaurant but is told by the Maitre'd that

A man walks into a Chinese restaurant but is told by the Maitre'd that there will be at least a twenty minute wait.
"Would you like to wait in the bar, Sir?
", he says.
The man goes into the bar and the bartender says, "What'll it be?
" The man replies, "Give me a Stoli with a twist." The bartender pauses for a few seconds, then smiles and says, "Once upon time, there were FOUR little peegs .
.
.
"