Frankn said:IT must be the brand of detector that makes the difference. With my Whites I can search holding the coil 1" above the ground. It will go down about 2' so I don't miss the inch. I have been at it for over 40 years and never used a coil cover, and never replaced a coil. Frank
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Use a can of spray bed liner,5-6 coats work well,occasionally you may have to respray the toe. God Bless Chris