Decorate and Undecorate Applications in Openbox

with a simple keybinding in /home/username/.config/openbox/rc.xml

vkeybind key="W-F7"v
vaction name="ToggleDecorations"/v
v/keybindv

The V in front turn 90% forwards and at the end 90% backwards

Also in rc.xml:
vapplicationsv
vapplication class="*"v
vdecorvnov/decorv
v/applicationv

see: http://bbs.archbang.org/viewtopic.php?pid=4144#p4144