How do you keep your bait alive?

[mattpeace]

Been trying to figure out how to keep my worms alive without carrying a cooler on my tube. There is enough room behind my seat in the fc4 for a smaller cooler but accessability would be an issue. I wouldn't mind dragging something along with a rope but would need a way to keep water out and the contents in and hopefully keep it from tipping over, also would need to be on the smaller side. Was wondering how everyone else keeps worms and other fresh bait fresh.
thanks [fishin]
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