Bridle, together with a release mechanism is intended for restrain of the air balloon before take-off. Depending on the size of the basket frame bridles of different length must be used.
The standard lengths of bridles (L stands for «length») are 2, 4, 5 and 6 meters. It is possible to make a bridle of a capron (polyamide) rope with a breaking load of no less than 3500 kgf . The bridle is used only with M-type release mechanism.