"We were building platforms and stairways here and it was an all-day process. So we thought, 'What can we do to make it easier?'" recalled Sgt. Keith Melrose with the Alexandria Police Department. "My boss and I actually sat in my office one day and we brainstormed and we came up with this in our head," Sgt. Melrose said. They went to Pro-Tainer, Inc. in Alexandria to make it possible. The "Plungester" will be used at mobile Polar Plunge events all across the state.