Lumigrids is an LED projector for bicycles that hopes to improve safety during night riding. It projects square grids onto the ground and by observing changes in the grids, the rider can easily comprehend the landforms ahead. Lumigrids can be fixed onto the bicycle’s handlebars and the power is supplied by either an internal battery or by the rotation of the bicycle’s wheels.
Joint Connector, Small, 2-1/2" to 3-1/4" by WoodRiver. $2.25. These concealed fittings allow work surfaces to be connected rapidly and securely. They are great for joining countertop sections together. The semi-circular fastening elements are pressed against the recess walls as tension is applied. Fits in a 35mm (1-3/8") flat bottomed hole drilled 3/4" deep. Use a router with a 1/2" straight bit to connect holes. Hole spacing on the small connector is 2-1/2" to 3-1/4".