I do not know if the signs went through - had some trouble sending the e-mail. So these are the first four signs that were ever written with these symbols, way back ...'fishing', 'clubbing', 'cheap' and 'knocking-on-a-door'
Note that wrist itself is not really moving, it is the hand that is moving from the wrist, as a part of a rotation. The arrows shows the primary movent of the hand. The little line suggests the rotational axis (not always possible, if the axis is perpendicular to the paper, as in the third sign here, 'cheap' ('billig')
Courtesy of SignBank.org