CHAKKI CHALASANA

(photo courtesy from book yoga education for children)

Chakki is appliance used in villages.It has 2 round stones to grind the grains to a powder .Chakki chalasana means ,one that is like grinding(using the the chakki)grain using chakki.Hope i am clear!!!
METHOD:
1)Sit with legs stretched and arms stretched.
2)Interlock the fingers(hand).
3)Make horizontal circular motion with arms.i.e,lean forward as far as possible(so that closed palms comes around the big toe) and move back as far as possible(but do not let the spin touch the ground),Also move the body (waist) in circular motion.(you can feel all the abdomen muscles working) 
4)Repeat this 10-15 in both clockwise and anti clockwise direction.
EFFECTS:
1)Abdomen and pelvis area are toned.
2)Also helps regulate menstrual cycle.
TIPS:Keep the elbows straight while doing this exercise.