Coffee is coming.

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Sequence of Movement
Standing behind the person, the performer forms his hand into a fist, which rubs with the back of the hand in small, circular movements over the shoulder blade (haptic sign for "coffee"). Afterwards, the person taps the shoulder blade of the addressed person several times flatly.
Shape of hand
Area of Use
Germany
Coffee is coming. (IS)
Information that coffee will be there soon.
Example
Your cup of coffee will be here soon.