Why buy me the joie belted car seat base utilises your vehicles 3 point belt to provide a convenient safe and secure base for your joie gemm or juva infant carrier freeing you from the hassle of wrestling with seat belts on every car journey about me compatible with joie gemm juva group 0 car seats simple installation with 3 point seat belt colour indicators for correct installation seat belt tensioner for added security one pull lever for quick release extendible foot prop fits wide r