The best replacement for back tension is thumb release.

The best alternatives to back tension are rated as following:
★★★★★  thumb release

Your alternative for back tension is not listed? Suggest!
Speaking about back tension, one probably shouldn't forget about trigger release.

Other search terms related to back tension and their ratings are:
★★★★★ trigger release
★★ thumb release
You have in mind a companion for back tension and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of back tension in all years. Click on graph for more.
back tension
thumb release