Hi Tjkirn
I am very new to the boards, but hae been riding with my wife & 2 year old daughter for some time. We just don't buckle the shoulder harness. Use the lap belt, that way your daughter isn't held back agianst the seat back & can sit at her compfort level & not have the helmet in her face. Our daughter used to cry & scream till we stopped using the shoulder straps, now she wants to wear her helmat & she has more freedom to look around & enjoy HER ride & still be "strapped in".
Pathfinder