Went out in the yak this a.m. to the same area that I was eaten alive by knats saturday. As the sun came up and no wind I knew I was going to get it again. This morning I saturated myself with insect spray and used alot of shedder oil on the jigs to try to mask the odors, which actually seems to draw more knats as my jigs were covered with knats. This is the same thing that I had done Sat. but today I put "Bounce Fabric Softener Sheets" in my hat and the the little buggers although in full force did not bother me half as bad. These sheets do work! You may catch less fish and your wife may think you have been with another women but the knats won't attack as bad.