wire-brush treatment
n.— «At 70, still sprints up Pentagon stairways. Senior civilians describe their boss as fierce and demanding; senior military officers describe sessions with him as “the wire-brush treatment.”» —“Rumsfeld’s Search for a Way To Fight a New Type of Foe” by Thom Shanker in Washington, D.C. New York Times Sept. 4, 2002. (source: Double-Tongued Dictionary)