Try Woodworking high chair safety strap its good
High chair safety strap - rockler woodworking tools, Restore your antique baby chair while keeping your baby safe! this strong polypropylene belt and security buckle keeps your baby strapped into. Rockler high chair safety strap - amazon.com, I was looking for something for a wood high chair that was made for me, but it didn't have any safety straps. my 6 month son kept slipping down in the seat because.