This handy adaptor from abc design allows you to add a second carrycot to your zoom tandem by slightly raising the carrycot nearest the adult by lifting the carrycot it provides extra space and allows two full size carrycots to be used on one systemplease note if you are using any seat combination on the zoom apart from the twin carrycot option these adaptors are not necessaryfeaturesquick and simple to attachcreates extra space beneath first carrycot to allow use of a secondonly required