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› Forums › Geocaching in Wisconsin › General › Bison tubes
Castration rings….lol… I remember those… they come that small???
Carefull when you put them on the bison’s… they kick and jump a bit 😉 😉
I was at Fleet Farm yesterday and wandered through the plumbing area and located some small O-rings (3/8″ Inside diameter). A pack of four runs a whopping 19-cents. 🙂 I tried them out and they fit snugly on the small bison tubes – I think it might work!
I don’t use these bison tubes alot, and usually they’re attached/secured to some other ‘container’. Will let’cha know how they work out.