the man above is kind of correct its all about finding out which you do best i personnaly tap better with a short run up as it gives me less time to think about it but the basics are all the same if you tap then when your front wheel hits the object , hop/jump pull your knees up and push your arms up into the sky as these people are saying. (quick hint if your tapping dont put your finger over your front lever just grip the bar makes the tap smoother ! if its just straight to back wheel do the same but without hitting your front wheel and with abit more speed start small then go bigger always wise to do it on an object you can do to sus out which technique your best at and most comfortable with