For a whole year now, Khloe Kardashian has been all about “waist training,” and she shows no signs of tiring of it.

On Friday, the 30-year-old reality star took to Instagram to share a split-screen photo of herself in a waist trainer, highlighting the insane hourglass figure the contraption (it’s a belt made from thick latex and cotton lining, which just basically looks like a corset) helps her achieve.

Early morning sweat and waist snatching session the only place I get my waist trainers from @premadonna87 @waistgangsociety. TGIF!!!! #WaistGang

A photo posted by Khloé (@khloekardashian) on May 8, 2015 at 10:35am PDT

Of course, Khloe isn’t the only Kardashian to jump on the trend. Sisters Kim and Kourtney, as well as other celebrities, have also been open about their attempts to whittle their waists via the trainers:

#TBT I stay waist training! LOL I found this old pic on my computer! Thanks @premadonna87 @waistgangsociety

A photo posted by Kim Kardashian West (@kimkardashian) on May 7, 2015 at 5:23pm PDT

Starting my Monday with a little waist training before I go to the gym! #onamission #waistgangsociety Go over to @premadonna87 or @pre_shop to get yours!

A photo posted by Kourtney Kardashian (@kourtneykardash) on Mar 2, 2015 at 11:22am PST

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