Itzadog LLC's Quiet Spot pet tag silencers.

• Position: TOYS, GAMES AND PET PRODUCTS

Denver

itzadog.com

Quiet Spot pet tag silencers are named for Itzadog "Lead Dog" Scott Schaible's late dog Spot, whose noisy tags led Schaible to cut up an old wetsuit to make an anti-clinking sheath in 1999. Using local cut-and-sew networks, Schaible has since expanded into Zuka Bowls, colorful collapsible dog bowls small enough to stow in a purse, and bumper stickers touting dozens of breeds' intelligence ("My Great Dane is smarter than your honor student," for example).

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Most recently, Itzadog has started making Ecollargy collars and leashes from retired vinyl billboards (the leashes' handles are made from old bike tires), and Schaible started another company, Billboard Ecology...