Knocking on wood, and the spoken expression "knock on wood" or "touch wood" are used to express a desire to avoid "tempting fate" after making some boast or speaking of one's own ...
http://en.wikipedia.org/wiki/Knocking_on_wood

Wood Touch...your first choice in high quality custom wood working for 25 years.  
http://wood-touch.com

Your Home page introduces your business and your Web site.
http://woodtouch.org

Touch Wood is your freeware virtual good luck companion. Whenever you feel the need to touch or knock on the wood, just click on its tray icon and do it right on the screen.
http://www.xemico.com/wood/

Wood Rings. Meticulously hand crafted, custom made wooden rings by David Finch. Socially and environmentally responsible alternative wood wedding, engagement and friendship rings.
http://www.touchwoodrings.com/

Welcome Home We are a leading supplier of elegant wood home furnishings in Dothan, Alabama, and the surrounding areas that's committed to offering you the best service, value ...
http://www.thetouchofwood.com/

Wikipedia Interjection. touch wood (idiomatic, UK) hopefully (said while touching something wooden, for superstition) And the reds are going to avoid relegation this year, touch ...
http://en.wiktionary.org/wiki/touch_wood

Wood Repair Kit, Wood Furniture Repair, Wood Floor Repair with Exact Match Wood Touch Up Kit ... Exact Match Wood Touch Up Wood Repair Kit. This is the only simple to use wood ...
http://EXACTMATCHWOODTOUCHUP.COM

Mohawk wood touch up, furniture repair, and paint Products. ... America's Leading distributor of Mohawk Wood Touch up and finishing Products! Now offering Furniture Repair Training ...
http://woodrepairproducts.com

Australian art and craft galleries - Touch Wood Gallery, Maleny, Queensland, Australia - timber sculpture, furniture, kitchen ware and souvenirs.
http://www.touchwoodaustralia.com/