LORELAI: You’ve got a little bag there.
LUKE: I know that.
LORELAI: It’s got a cat paw stamped on it and a little catnip bow.
Le Chat Club (pronounced Le Cat Club) is one of Stars Hollow impossibly twee gift stores. Luke buys Rachel some potholders that make a meowing noise for her birthday, which demonstrates how little he knows her (and that he isn’t so great at choosing gifts). Interestingly, both Lorelai and Rachel have their birthday in April.