Hello,
Thank you for your review of our Original Twist N Lock Grip. We apologize for any inconvenience you experienced with our product. We appreciate your feedback and will definitely take it into consideration for future improvements.
We understand that modifying the grip may not be an ideal solution for everyone, and we will work towards making it easier to use for all types of tubes in the future. If you need further assistance with modifying the grip, please don't hesitate to reach out to our customer service team for help.
Thank you again for your honest review, and we hope you continue to enjoy the quality of our product. Have a great day!