Butch your anal retentive side has retention issues.

The system you have shown has fallen out of favour for two reasons.

1. Weight.
2. Its not uncommon for the sail and/or knot to get pulled through the bale. On a good day this effects the sail shape of the kite. On a bad day it makes it difficult/impossible to drop the kite.

Use PTP's system with a small Karver block.