It's a field that has roots in California, with Neil Balter and Eric Marshall creating and installing the first "Double Hang", "Long Hang" and "Shoe Shelf" systems for what is now California Closets.
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With any luck, they've got at least some kind of design and procedure manual that you can start with. If not, consider enrolling in Closet Design 101
Left Brain/Right Brain Closet Design
Sell! Sell! Sell!
Getting a handle on well-designed closet space is not as quick of a learning curve as it used to be. It's become much more complex in the last decade as awareness has increased (thank you Modern Family and Kardashian Family) as has the technology to create better-looking materials and accessories.
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