Backing up the lineGrip correctly is the best precaution for avoiding critical situations, and damage to gear, should the webbing ever slip through the lineGrip. Sudden slippage can never be excluded entirely, because the lineGrip only establishes a temporary friction...
NO, NEVER under any circumstance! The lineGrip is only for tensioning the slackline, not for anchoring/attaching it! The lineGrip must always be removed before anyone gets on the line, even if the backup webbing locker is installed! Why? SLIPPING HAZARD WARNING The...