Try this — give one last push in your last 30 seconds. Pick a punch and throw them as heavy and tight as possible until the timer runs out. #TeamHayabusa @gcboxing #BoxingGloves #BoxingIsLife #BoxingLifestyle #BoxingLove #Boxeo #BoxingTraining #BoxingTime #HeavybagWork #BagWork #HeavybagTraining #BoxingCombos