The Primos Hunting Wind Checker is a perfect mist of unscented powder that let's you stay downwind. With this Scent Checker checking the air and wind currents is a sure thing. Simply pop the flip-top up of the Wind Checker and squeeze to check the air and wind to get a minute-by-minute update on where your scent is headed. Whether stalking or selecting the best spot for your stand placement the Wind Checker checks the wind every time.