Spike – How to practice on a Spike.

B.K.S. Iyengar From “Body is my First Prop” Calendar STUMP “‘Is the prop useful only for people who cannot do a particular asana?’ The answer is ‘no.’ Props are helpful for the adept too. When one thinks he has attained ‘perfection’ in an asana, he should use the prop to attain sense of direction and a higher level of sensitivity.