A protocol test has been developed in order to validate child back protection systems, taking into account the
most usual accidents and their consequences and with the aim to design the minimum requirements of the KID-
-SHELL system. Moreover, the protocol should ensure repeatability, reproducibility and guarantee the fulfilment of
specific requirements, for that reason the protection will be in fixed position and its strength will be tested with an
impactor that will always give the same impact force in the same point and the same direction. Two different tests
will be carried out: