Aid (1) for cup feeding of infants, which aid has a first liquid chamber and a second liquid chamber, wherein the first liquid chamber is provided for mounting on a feeding bottle (2), wherein the first liquid chamber (9) and the second liquid chamber (10) have a shared wall (12), wherein the second liquid chamber is open so that liquid in the second liquid chamber is accessible to an infant, whereby at least the shared wall is manufactured from an elastic material and is provided with an incision (13) with a minimum length of 3 mm such that a liquid flow through the incision from the first liquid chamber to the second liquid chamber is controllable by manipulating the wall.
