This Friday the 13th t-shirt features a black and white image of Jason Voorhees with his favorite weapon, a machete. As long as there are teenagers who are careless enough to go to Camp Crystal Lake on Friday the 13th, Jason Voorhees will keep rising from the grave to take them out one by one! Everyone will immediately know that you are a fan of Jason Voorhees when you wear this TGIF Friday the 13th t-shirt!