A small ballpoint that packs a punch. The Aldo Domani Mini ballpoint pen from Monteverde should be in every nook and cranny. You should probably put more than one in a special hiding place. They are so useful with a mini ballpoint tip at one end and pda stylus at the other; the kind of tip you need at any checkout counter. Fill purses, pockets, briefcases, kitchen and desk drawers. The possibilities are endless.