Horseware® Rambo® Ionic Arm Support in Black. The Horseware® Rambo® Ionic Arm Support uses Ionic Therapy to help with a variety of health or injury concerns, the arm support features tourmaline infused patches to release negative ions for positive effects. The Rambo® Ionic combines the benetfits of compression and negative ion therapy which can help to:Increase circulation Stimulate metabolism Increase Oxygen delivery to the cells and tissues Strengthen the immune system Restore pH balance Reduce blood pressure Remove toxins from the body The Rambo Ionic support is designed to help with healing and to help prevent future injuries.