take the inside ribbon and cross it over the top and once around your ancle and do the same with the other ribbon then tie them together in a small knott and tuck anything sticking out, in.
Begin with the ribbons at the back of your foot. Criss cross them up to the top and tuck any remaining ribbon into the knot. Make sure the know is at the back of your leg because if it is in between some of the dance steps will hurt.