Basket hole punching

http://zibet.net/images/basket-2011-08-11-3.jpg

VBM double top

http://zibet.net/images/basket-2011-08-11-4.jpg

Double top

http://zibet.net/images/basket-2011-08-11-1.jpg

VBM double bottom

http://zibet.net/images/basket-2011-08-11-2.jpg

Double bottom