Pulling shirt is a garment to which you are particularly attached due to its acting as something of a lucky charm when it comes to wooing the opposite sex, which is called “pulling” in UK.

“爱情幸运衬衫”是一件你情有独钟的衣服，因为这件衬衫似乎拥有某种魔力，当你追求异性时可以给你带来好运。追求异性在英国称为pulling。

Example:

I get lucky almost every time I wear my pulling shirt.

我几乎每次穿上我的“爱情幸运衬衫”都会如愿以偿。