M: Walk your right extended index and middle fingers across your flat left hand. (AUSLAN, BSL)
H: Place your hands under the person's then walk your right extended index and middle fingers across your flat left hand.
C: Place the person’s right index finger and middle fingers on their palm then walk them across their left flat palm.
B: Use your index and middle fingers to act like feet walking across their palm of the person.
Activity: Learn how to use a walking machine.
Note: To demonstrate how long or hard the walk is, walk your fingertips up their arm or even over their shoulders etc. You can even emphasis the pace by moving your fingers in a plodding pace.