Using stroller hooks isn't an option either, since they hook onto the handle, and your older child will be using that space. (stroller-envy.com)
Dreambaby Stroller Hook — Designed for shopping; allows you to hang bags on your stroller — definitely a must - have for running errands in the city with baby in tow. (blog.guguguru.com)
The external pockets on the Clevamama baby changing bag are perfect for keys, phone and purse, it also includes stroller hooks that can attach your bag to your pushchairs for safety and convenience. (littleangels.ie)