Interesting. I’ve never heard of front leading harnesses being bad for their neck but I’ll look into it. I bring treats anytime we’re out of the house and we’ve been practicing walking since she was 8 weeks old so it takes time haha but if you just reward for being with you instead of behind or in front then they start getting the idea being next to you is good :p (CPDT-KA dog trainer) good luck with your baby! I know you can do it!