When they are crying a lot, I find it's because they are overwhelmed by the noise and all the activity around them, so I pop them in the high chair I have in the daycare room. They are higher than everyone else, can watch what's going on without anyone invading their space, and can play with a toy at the same time. This has always worked for me but never even thought of it as something someone else might want to try. I hope it helps!