Usually when I see the Kardashians hustling some “can’t live without it” product, I’m quick to dismiss it as some money-making sham. I’ll have to admit though, when I’ve come across Instagram pics of Kim and Kourtney all Jessica Rabbit-like in their waist trainers, I can’t help but be intrigued. I mean, sure, their midsections look almost freakishly cinched in these corset-like contraptions, but as…
