Tenda Big Sweat for Horses A leg and muscle care product formulated for horses with sensitive skin (won't burn or blister). Big Sweat can be used daily as a preventative and leg tightener. Big Sweat Can Help Reduce heat swelling filling soreness inflammation in the knees, hocks, legs, and ankles Directions for Use: Shake bottle before using. For best results, apply until hair and skin are wet. To increase the desired effect, clip hair on area to be treated. Cover wetted area with a plastic wrap and then a bandage of choice. The treatments may be repeated twice a day for as long as necessary. Warning: This product is intended for external equine use only.