With strong tension on the elastic, rapidly whip the ropes around each other, allowing them to wind around each other. (acefitness.org)
Social inequality, poverty and restricting of personal freedom create strong tensions, but it doesn't mean, that tensions create a serious danger for the regime. (politics.stackexchange.com)
When you come to the top, you'll find out why this setup is so effective... instead of losing tension at the top, as can happen at the top of a dumbbell or barbell curl, because the resistance is hanging from the chain, you KEEP strong tension on the biceps at the top! (fitstep.com)