Hank is in the trailer with Bobbi/Bobby (half man half woman) and she/he is holding the jar containing one of her babies. First she has a cloth over the bottom of the jar to resemble a blanket probably, next shot the cloth is under the jar, the next it's on top of the bottom of the jar, then it's underneath again.
In the "Special Features" the Wolf Man, played by VeeKay (Diego Barquinero), is introduced as "The Wolf Boy."