I think its important to be as clean as possible.Wash your cloths in scent free detergent,shower with scent free soap,keep your boots outside or somewere away from odors.In a pinch I have used baking soda in place of soap.As far as cover scents I think there a waste of time and money.The simple act of breathing is enough scent to send a canine the other way.Also don't forget your gun,use only oils that are as scent free as possible or at the very least let the gun air out for a day or two.Pay very close attention to the wind direction and you will be ok.