Pebble-Filled Tray - Make a boot tray by the door by filing it with stones. Ice and snow will melt and drain through the rocks to the bottom of the tray so your boots won't stand in a puddle. Most of the moisture will evaporate, but you should clean out the tray regularly.
Cork key chain...good to have if you're out on the water. Keys will stay afloat
Cut-off balloons on the bottom of mason jars to distinguish glasses at a party
interesting idea. . . . 3 different wool gauges