Impulse Fitness Knee Mat - Extra Thick And Soft 1" (25Mm) Pad Provides Cushion For Kneeling And Elbows Great Portable Exercise Mat For Planks, Ab Rollers, YogaWork Out Pain-free Are you recovering from an joint injury How do your knees feel when youAre kneeling for an exercise Or maybe your elbows when you perform planks DonAt like nagging pain or ..