I normally use the paca chunks for jig trailers and the paca craws on a shaky head, a texas rig, a carolina rig, a flipping and pitching bait, and a swim jig trailer. They have a great flapping action good for Spring, Summer, and Fall. The size I usually use for a jig trailer if the normal paca chunk. My favorite paca craw size is the baby paca craw and the normal paca craw. My go to colors are green pumpkin, black/blue, and natural craw. They normally last quite a while on a jig trailer and on a shaky head. This is the most erratic craw style lure I have ever used. They come in 3 sizes on the chunk, and 4 sizes on the normal craw.
This is another lure I highly recommend. As soon as you see the action you will be a believer.
The first pic is of the normal craw, and the second is the chunks.