If you guessed that it was a chatelaine then you are right! During the 18th and 19th centuries these were used to keep one’s tools at hand. A housewife might keep her sewing equipment from the chains, a businessman his pocket watch and knife, or a housekeeper her many keys.
On to the next item!
2) This tool is chrome on top and red plastic on the bottom with a crank on the side. The general shape of the piece reminds one of a rocket.