Already a customer? Click here to login. By submitting this form you agree to the following; I affirm that all of the below information is correct to the best of my knowledge. I am aware that gymnastics urban gym and all other activities at Black Diamond are vigorous activities that may involve height and rotation in a unique environment and as such poses a risk of injury. I also understand that mats and other safety equipment and apparatus provided for my protection or that of my child, including the participation of a teacher who will assist in the performance of certain skills, may be inadequate to prevent serious injury. I hereby waive any and all claims resulting from ordinary negligence, both preset and future, that may be made by me or by my family. Once KNO is booked it is not refundable. We're sorry but this event has been reserved. Please review our calendar for another available date and time. Thank you.