every time i would put fox urine in a dirthole i would catch a rabbit.so i started just using lure in the hole with urine on the side or the backing and the foxes were easy to catch.caught 6 reds and a big grey in 2 sets 60 yards apart over 2 weeks.3 doubles and 1 single.i use a piece of rebar wiggled around as i hammer it at about a 70 degree angle so i have a hole about 1-1/2 " across at the top and 12" deep.bed the trap with the center of the pan about 6" from the hole.works every time.good luck.
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the greatest thing we can do as outdoors people is to teach the young people a love and respect for the outdoors!