Thomann Tri-Ball Breath Coach - manual, flow-oriented breathing coach, inspiratory breath exercises, variable flow rate, free of latex thomann and epoxy resin, training for a correct and good respiration, the breath coach Tri-Ball is the classic breath coach among the manual and flow-oriented breath coaches. Three balls in three chambers result in an easy way a correct and deep respiration which is thomann essential for making music also, a deep respiration lets you play also more difficult pieces more easily and more strength-saving.