i just hunted 1hr or so today at my parents house on the city parking strip grass by the street in front, about 100ft long by 3ft wide i MDed 3 nails i 12oz soda can 4in down cut the sh-it out of my middle finger , went in the shop soked it in cold water dried it off wrapped some paper towel around the cut and electrical tape around the towel and finger, i wasent finished yet- i found 1 round electrical nut 6in down 3/8 X 1/8 the yeller feller sniffs them out like a bird dog, and the best part 9 coins the most for me yet on 1 hunt 1 quarter 3 dimes 1 nickel and 4 pennys total to date $2.45 only $347.55 to go and ill do it Bob