I placed my order and forgot to use my promo code, can you help me? Forgot to use your promo code? No worries, we got you! Contact our Customer Service Team here and we'll apply it for you. Be sure to include your order number along with the promo code you received. Related articles Does Knockaround allow discounts for group sales? Can I make changes to an order once it is placed? Can I update my shipping address? Where can I purchase Knockarounds? Comments 0 comments Please sign in to leave a comment.