Between Omaha and Des Moines, 7 miles South of I80 | Are you using these "notched" marker blades? Have you tried adding some weight to marker arms? (Dad used old "window weights" from old houses' window jams; used big hose clamps and wire to hold them on)
(Notchedmarkerblade.jpg)
(window weights.jpg)
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Notchedmarkerblade.jpg (36KB - 367 downloads)
window weights.jpg (12KB - 420 downloads)
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