Using what nature provides to bait your hook

[gxtmfa]

I was catfishing today and I started poking around my spot to see what types of little critters were common there. I found plenty of crawdads and I put them in the stinkbait container. I started with baitshop worms on a small hook. I ended up reeling in a 5-6" creek chub. Using the fish's tail for bait, I caught a 5-pound channel cat (about 18" long). Later, I caught a smaller forktail with crawdad. When we tried to fix up the larger one later (this ended up failing miserably; my dad accidently cut in the wrong spot and the viscera got into the flesh), I cut open the stomach to see what he had been eating. I found at least 4 crawdads, including one that must have been swallowed whole. Anyone else know ways to catch your bait on-the-spot?
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