GLASSESSENTIAL® Folding Window Grilles are designed to provide elegant look, strong security barrier with ease of operation.
Decorative Window Bar Security - Example 1
Check out this affordable home security idea to protect your windows from break in.
Home Security Ideas | Protect Your Home
Decorative Window Bars - the next step. Just be sure they have a quick release, or you'll have to remove them when you sell. Fire code and all. :)
Hinged Removable Bar - Hinged - basement window bar 1 - Canada Window and Door Security
Projects to Try
Lexan-ClearBars - Transparent Burglar Bars
Window Security Bar - Found this awesome Product at qcidirect.com
Window Security Guard, Adjustable, 3-Bar: Model# 1133 | True Value
Google Image Result for http://alliedgate.files.wordpress.com/2013/03/agc_window-guard-8_with_border.jpg
Tree-like wrought iron gates covering the windows of the Berry Street, Bembe bar and nightclub in Williamsburg, Brooklyn. Photo by NYC-based designer Naftali Stern (founder of the Bohmerian blog).