Help How to Simulate taking off the cloth

[ificlim]

I am doing a project that need to simulate taking off the cloth ,i use the skinned cloth but it seems hard to taking off the cloth,it just keeping the position on the body, no matter i use the obi paticle dragger or obi collidergrabber,it doesn't work like i test in the normal cloth case.is there any suggestion on how to simulate taking off the cloth? looking forward to your help;