Stay at home mom efficiencies 101*
If your child is resisting disembarking with their appointed chaperon for the afternoon, simply promise them that they are being taken to the park to play so they had better get in their car seat. Then whisper to said chaperon, "He'll never know the difference." Child will sit sweetly in seat having been subjected to your soulless trickery.
*Uh, yeah I already thought of another one. But after writing this one out, I think it might be better titled "Mothering Without a Conscience 101".