Lightly used leg lifters for the SNOO bassinet. We had a colicky baby and these helped when she was in her SNOO. From Happiest Baby: About SNOO Leg Lifters (2) Leg lifters - slip-resistant, elastomeric feet keep the bed securely in place on most surfaces Raises head of SNOO at a slight, safe incline Used for babies whose doctors recommend elevating the head for stuffy noses or spitting up Leg Lifters are compatible with SNOO’s regular legs as well as Low Legs Our SNOO Baby Sleeper Risers are Simple to Use Leg lifters should be installed while SNOO is not in use and unplugged Lift the side of SNOO where your baby’s head rests Slide lifter onto each foot and push them on firmly Confirm they fit snugly, without wobbling—SNOO Leg Lifters are ready for use!