hi, yes i have tried in ncloth,its a kind of working...i produced something but as u said its not as it happens in real material.may be i am not instructing the model properly!! i am looking at something nonlinear way...as it happens in normal tension or compression deformation in a normal material form...(like breaking a stick-first it resists and it starts yeilds to a point and breaks) here i attached my try in ncloth with this...in this 2 threads in in feild and other 2 react to the collision of of them. can u pls give ur suggestion on that.how i can make it more real thank you