I used them when fishing on a remote lake up in Canada, and wow... they catch fish. We were rigging them weightless w/split rings in the center of the worm. I think its called wacky riggin. Anyhow we would just flip them out and let them sink over rocks and they would usually never make it to the bottom. The color was a dark green, and they were infused with garlic and about 5" long. We also had some knock offs, they worked, but not as well. Hey best thing I can say is try um.