There’s a new connected fitness device in town and it’s called Growl. Inspired by hardware companies like Peloton and Tonal, Growl is building a boxing bag that you can attach to your wall at home.

Anyone who knows me knows I love a boxing class. Granted, I've never been to a space that purists would call a "real" boxing gym, but I'm well acquainted with the variety of boutique boxing studios in ...