Home Videos Simple Walking Workout to Flatten Stomach in 20 Minutes π₯ 200 Calories π₯ Simple Walking Workout to Flatten Stomach in 20 Minutes π₯ 200 Calories π₯ YTEvoUser Oct 20, 2021 comments off Tweet on Twitter Share on Facebook Pinterest 200 calories brian syuki flat stomach workout flatten stomach focus fitness walking to flatten walking to flatten stomach walking workout