These are tip ups.
And how they work. They are like high tech willow branches.
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I make little boxes for each one otherwise the lines get tangled and they are terrible to straighten out in -20 degrees.
We are only allowed only 2 lines during the winter and one during the summer.
Normally, I use one tip up and one panfish line. However, if the northern bite is heavy I use two tip ups.
Now back in my misspent youth I did jug fish once. (STatute of limitations are wasaay expired)
A friend lead me to commit this crime. We threw out about a dozen jugs with sucker minnow on each one. Then proceeded to see if we could actually drink a couple of cases of Hamm’s.
It was really fun as I recall, the bottles would disappear and take off down the lake with us in hot pursuit. We ate well for a few days. The limit back then was 3 northerns. Today it’s a slot limit but we can keep 10.