Slam PadSLEDGEHAMMER WORKOUTS WITHOUT THE TIRE. Say goodbye to massive tractor tires, and say hello to the last impact surface you will ever need. HAXE provides exceptional impact response, using our cutting edge nonlinear dampening technology. The harder you swing, the more shock is absorbed due to its viscoelastic properties. Work your core, legs, arms, grip, back, cardio and endurance all with the HAXE SLAM PAD and a hammer or mace.