I am with Ruthann, I would be concerned about the suffocation hazard if the baby had it in the crib. All of my babies were binky babies, and I really never had too much trouble keeping track of the binks, so I guess the brilliance of the whole concept is just lost on me,

! Then again, all of my babies slept with me and DH, so if the baby lost the binky, it was usually under me,

.