M: Cup your left hand in the shape of a taco shell, then place your flat left hand (blade down) in to your left hand.  (AUSLAN + ASL)

H: place your hands under the person's then cup your left hand in the shape of a taco shell, then place your flat left hand (blade down) in to your left hand.

C: Cup the person’s left hand then place their left flat hand blade down into their cupped left hand.

B: Place the blade of your flat hand into the person’s cupped hand.