It wasn't quite full-blown bean-dipping, but I think it worked.
I went to Nearby Nice Town with DF, FIL e MIL: DF and FIL had an errand to run there, so we decided to make a bit of holiday out of it.
MIL and I started out talking about DF and my childhood, which got us talking about how things (you know, strollers, beds, etc.) have changed for kids today. Then, suddenly...
MIL: When you and DF have kids, you must buy a high stroller, so it will be more comfortable for me to push it when I watch the baby.
Me: Oh, when the time comes we'll probably drive the shop assistant crazy* looking at all the strollers, but we'll definitely see what works best.
*I don't actually plan to be That Kind of Costumer, though knowing us, we will be thorough.