Leo was inspired by the hand tremors he saw in the soldier in Vung Tau, Vietnam, where he grew up. These people struggled with Parkinson’s disease after being exposed to Agent Orange, a herbicide that was used by the USD during the Vietnam war.
“Of course, I didn’t know what was causing it. Later on, when I was growing up, I knew it was Parkinson’s because of the herbicide chemicals that they were exposed to”, the inventor explained. Coming from a background in vibration control, this led him, in 2014, to think of a solution.