To remove an item from your cart, click the "Remove" link next to the item. To change quantities or shiping options, type the new quantity for each item you would like to change and/or select the new shipping option and click the "Recalculate" button to update your cart. To start all over with a new cart, click the "Empty Cart" button. To purchase additional items, click "Continue Shopping" to return to the last item you selected. When you are finished shopping, click "Checkout" to proceed.