Since guys are pretty much an afterthought at the wedding, we need a ritual all for ourselves: the bachelor party. But with so much unchecked testosterone, things can easily go awry and get dark. To avoid that fate, here’s an experts’ primer on Bachelor Party Everything. From etiquette to cocktails and restaurants, stuff to bring, do and give away, these are the essentials for a pre-marriage send-off that the groom will remember - fondly! – for the rest of his life.