4. Throwing Card Knives
A royal flush can be a cutting move for your fellow card players. However, with the Throwing Card Knives, the edges are actually made of knife blades. Similar to throwing knives, this self-defense gift is aerodynamic, sharp and capable of impaling fruits such as a cantaloupe or watermelon and other hard surfaces. For such a powerful tool, it comes at an affordable price of $11.99. Other related products include throwing knife sets for $39.99