Also, you can reuse GBC combs, old plastic hair clips or twisty ties for the same purpose, depending on strength and removable you need (thanks to skech123 and wrenv for suggestions).

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BTW.. zipties don't work nearly as well, as the lock always snags and can they only be used once..
Good Job!!
http://www.acehardwareoutlet.com/(t3kimp45kbqldx55uwzjo5nk)/ProductDetails.aspx?SKU=64479
http://www.instructables.com/id/Cheapass-wire-control/
BUT I find the plastic hair clips (the kind that are like 2 curved combs joined together with a spring) work great and are much easier to place and remove. I buy them at the dollar store -- 3 in the package for a dollar or the larger size -slightly curved, at 2 for a buck .
Quite handy =D