Gents, not sure if you've seen this but there's some interesting info on Ti Foil in it.
http://www.outdoorsmagic.com/forum/gear ... 40067.html
2 Part Cone Windshield - Prototype
Moderators: Bearbonesnorm, Taylor, Chew
Re: 2 Part Cone Windshield - Prototype
This might be useful for punching holes in Ti Foil too.
http://www.backpackinglight.com/cgi-bin ... ad_id=3724
http://www.backpackinglight.com/cgi-bin ... ad_id=3724