Brod & Taylor folding proofer box (Deb Lindsey/For the Washington Post/DEB LINDSEY/FOR THE WASHINGTON POST)

■ An industrial designer and a marketing guy, both from Australia, created the Opena, an iPhone4/4S case with a slide-out bottle opener. The solid stainless-steel element adds considerable weight and thickness to the protective case. $39.95; available in black or white, order at www.openacase.com .

Opena iPhone case (Matt McClain/For The Washington Post)

■The Brod & Taylor Folding Proofer creates a consistent low-heat, humid environment for proofing bread doughs, making yogurt and even warming plates and chilled butter. The collapsible unit has a large window at the top and an easily readable digital temperature display; interior rack is included. $148; available online at www.brodandtaylor.com.