Share Umbrella / Umbrella

Have you ever met sudden rain without an umbrella ? If you took an umbrella but you see the others without bringing it how to do that? The umbrella is too small to use for enough people so what should I do?......We design this product called ‘Share Umbrella’. It cnsists two parts, the biger handle contains a small umbrella. If you want to help others just rotating the biger handle and then took out a small umbrella to share with others.