Mistakes happen. Sometimes a buckle gets stepped on or shut in the car door. We have 3 options to get your chair back in action. We have a buckle repair kit that can be used on any chair, the Rock Lockster® buckle which should fit Original, LongBack, HEX line and Canoe Chairs or we have the Casual Line Buckle that will fit The Chair and Comfort Chair. When in doubt go with the Repair Kit. Price of buckle includes postage.