After that you can wear a woven wrap with a front / back or hip carry or two separate carriers for back and front carry. (twiniversity.com)
If you are bringing in multiple dogs or puppies for surgery, they must be admitted in separate carriers in order to be discharged. (sheetspetclinic.com)
If seeking a tandem option I would wear two separate carriers rather than attempt to secure another child in the wrap straps. (tandemtrouble.com)