On Saturday, June 23, 2018 at 4:00:01 AM UTC-4, wrote:
To be properly considered as a emergency chute suitable for the majority of glider pilots a square chute would have to be designed to be used by pilots without jumping experience. It is very unlikely that more than a few pilots will want to, or get around to, doing that.

The square reserves for pilots are designed to be used by people with no jumping experience. For all pilots care about the latest glider or flight computer it is amazing how content some are with 1600's parachute technology. Rounds are only better in price, and new not by much.