Rayfox_BetterShoppingCart

The extension will put all unsaleable items together and move them to
the top/bottom of shopping cart items table, so customers can delete
them more conveniently.

You can control the functionality and position of unsaleable items in
shopping cart from Magento Admin.

这个扩展会将购物车中处于缺货状态或者由于其它原因不可卖的产品集中在一起并
放在购物车的顶部或者底部，方便顾客删除购物车中的产品。
可通过后台的选项控制是否启用该功能和调整不可卖产品在购物车中的位置。