If you want to catch them by the ton, you need some sort of raw meat.
When I was growing up "on the bayou," we used what was locally called "melt." I believe it was technically cow spleen. If you can get your hands on raw cow liver, that would work great too.
When I was growing up "on the bayou," we used what was locally called "melt." I believe it was technically cow spleen. If you can get your hands on raw cow liver, that would work great too.