Meet the Vari-Slings Ab Slings: a handy tool that lets you perform a wide variety of exercises to strengthen your core. Simply slip each arm through the strap, grab the handle, and you are ready to go. You can use knee raises, L-sits, windshield wipers, and other moves with this.
More gadgets like this ➡️ : here
These ab straps have numbered pockets for easy adjustment. More info is available here.
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