7 New Kickstarters to Treat Yourself in the New Year
Let’s be honest; ab day sucks.
That’s what makes Stealth so genius: Instead of simply counting down the seconds until you’re finished, Steal makes you focus on an integrated mobile game while doing an elevated plank. All it takes is just three minutes a day to start strengthening your core… and beating your high score.
Read more on Brit + Co: Brit+Co Review - Stealth Core Trainer