depending upon your hobbies: an "oh crap" in mine can be serious
CAT tourniquet
Israeli or Olaes bandage (Olaes has the occlusive film to cover a punctured thorax)... minimum of two for a through and through
petroleum gauze to cover a punctured thorax
Kerlix gauze and roll bandage
hemostatic gauze
nasal pharyngeal airway
good cling tape
good EMT shears