In common usage in essex. When an awkward or tense situation arises, all tension can be examplified with this gesture, in which both hands are made into fists, placed on top of each other and rotated in opposite directions as in a salt grinder.
In common useage in essex. Whenever an awkward or tense situation arises, the tenseness can be examplified by this gesture. You hold one hand out straight with fingers splayed. The other hand goes on top with the fingers curling in between the gaps in the fingers. Now all fingers curl to make a sphere (the shell of the turtle). Finally the thumbs on both hands are rotated.