https://www.sailrite.com/Securing-a-Hook-to-a-Shock-Cord-Streaming-Video How to secure a hook to a shock cord using hog rings. Also shows how short to cut the shock cord to get a solid firm grip from the shock cord.
AJAX Fasteners SMART BOLT – is a direct tension measuring system where the actual tension developed in bolt tightening can be measured and monitored directly over time. The measurement is with +/- 1% of actual bolt tension.