Shermag Has Recalled Drop-Side Cribs Due to Entrapment, Suffocation and Fall Hazards. The drop-side rail hardware on the cribs can break or fail, allowing the drop side to detach from the crib. When the drop side detaches, a hazardous gap is created between the drop-side rail and the crib mattress in which infants and toddlers can become wedged or entrapped, posing risks of suffocation and strangulation. In addition, children can fall out of the crib when the drop-side rail falls unexpectedly or detaches from the crib. Drop-side rail failures can also occur due to incorrect assembly or with age-related wear and tear.