Large eye-bolts through double studs can provide convenient lock up points for bikes, snowmobiles, and garden tractors. Disable Trailers Block up the frame and pull a wheel. Lock the trailer to a tree Lock a wheel to the frame so it can't turn. On the road, if you're going to stop over night, chain your boat, bike, or snowmobile to the trailer and lock it. Lock on of the safety chains to your car.
Skis Make sure car top racks are locked.
If you have to leave the car unattended, park in a well-lighted and visible location where anyone tampering with the skis can be seen. Power Equipment Riding lawn mowers and garden tractors, motorcycles, snowmobiles, and ATV's should be disabled by pulling a spark plug, and removing the distributor rotor. Saving money on the chain or cable will also save time for the thief. Chain it through the front wheel and bike frame. Chain it to something that can't be easily cut through or dismantled.