New Ideas

GOODS & SERVICES

In a Rut. To help motorists stuck in snow and mud, Campbell Chain Co. of York, Pa. has put on sale curved metal lugs that snap easily around tires. The Traction Klips, designed for emergency grip action, are flipped off with a special lever. Price: $5 a pair.

House Lining. New homes can be made virtually moisture-and termite-proof by lining exterior walls and foundations with a tough, translucent plastic film developed by Terre Haute's Visking Corp. "VisQueen" is noninflammable, will not dry out. Price: about 1½¢ per sq. ft.

Self-Sharpening Saw. A circular blade for power saws that can be sharpened by merely sawing in reverse gear has been put on the market by Chicago's Skil Corp. Price: $2.95-$3.95.

Pickup. A lawnmower-like magnetic "sweeper" to pick up metal scraps from factory floors has been developed by Homer Mfg. Co. of Lima, Ohio. Prices: from $124 to $856, depending on width and intensity of magnets.

Self-Tuning Radio. For listeners who want to fall asleep to soft music on one station and wake up to loud jazz on another, Radio Corp. of America has marketed a new clock radio. Slumber King has a new control device that is preset to shift the dial and change the volume at the desired time. Price: $59.95.