SupAir has reported a critical issue with some models of the Walibi2 and Evasion2 harness. There may be too much velcro, resulting in difficulty pulling the reserve container open. In some instances it may not be possible to extract and deploy the reserve.
Refer to the SupAir Safety Note for a complete description, along with instructions on how to address the issue, if found: SupAir Safety Note 2015/03_001