Lewis N. Clark Auto Open Close Compact Travel Umbrella and Emergency Rain Poncho Easy to open, press-button automatic. Rain poncho for those unexpected drenching rains. Easy to handle when it is windy and rainy and durable. Light and compact. Lewis N. Clark umbrella is a great compact umbrella to use as a travel umbrella or auto umbrella. Pocket umbrella. Small enough for your bag AND works well in the rain. Emergency rain poncho is compactly folded to easily fit into a pocket.