Bait shop I get mine from have this enclosed plywood thing on legs with slick unclimbable sides and vents. Lots of egg crates as mentioned before.
They are always fat and sassy outside in the Mississippi humid heat. I'll try get u a pic next time I go on a cricket run. I'm so lucky they are close I get ~200 for like 4 - 5 bucks. If they ever stop carrying them I will be forced to get dubais ;(
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