Sea-Band wristlets are 1-inch wide bands designed to put pressure on an acupressure point in the inner wrist to help lower the symptoms and occurrence of morning sickness. Sea-Band wristlets can be bought over-the-counter at a pharmacy. Other such bands in the market aimed to reduce the occurrence of morning sickness include battery-operated wristbands like Relief Bands that use gentle electrical stimulation; or Psi Band, which is a two acupuncture wristband with adjustable knobs to place on the inside of your wrists.