GRAMMAR - using 'used to' and 'use to'

Following on from my COMMON MISTAKES with the uppercut post. I thought I’d highlight why it’s important to have the correct arm positioning when you throw the punch. ⁣ ⁣ I used a swinging @aquabageuro to emulate an opponent moving or leaning out of range.⁣ ⁣ CURLING BACK: By curling your uppercut back ,you actually lose power behind the strike. This is because you’ll be pulling away from the target and your bodyweight won’t be fully behind the shot.... not to mention if you miss you’ll be leavin