The Fat Baby Craw is a phenomenal finesse trailer. Its round design keeps it from sticking to cover while the bulk of the plastic ensures that it stays on the hook regardless of what it encounters. This 3.75 trailer has a nice, subtle movement that comes in handy in finesse applications. The Baby Craw is a slightly slimmed-down version of the Fat Baby Craw. 3.75. It is a more-finesse style trailer for clearer water, smaller jigs, lighter line applications and wary bass. Both craw trailers are very lifelike in size and shape.